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| BOMESC | Job Description 作业描述: Out sit Blastig(VacumBating) 外场喷砂（真空 | JSA No.编号: BOMESC -HSE-JSA-085 | ||
| Project name项目名：B58 Job Location 作业地点： | ||||
| Prepared By:(Originator's Name)发起人（带班）： | Date日期: | |||
| Job Safety Analysis 作业风险分析 | ||||
| CONSULTED BY 咨询于： | ||||
| EXECUTEDBYSUPERVISOR 执行人（主管）： Name姓名 Title 职位 | REVIEWED BY审核人（安全）： Name姓名 | |||
| POTENTIAL ACCIDENTS OR HAZARDS SEQUENCE OF JOB 潜在事故和风险 | Risk Ranking RECOMMENDED SAFEJOB without Controls PROCEDURE 推荐安全措施 | Risk Ranking After Controls 采取措施后风险 评分 | Additional Actions Required 其他安全措施 | Action Party 责任人 | |||
| STEPS 工作步骤 1.Break the job into basic steps in order. 2.Describe what is done (not how) in 3-4 words per step. 3.Keep steps natural-neither too detailed nor too broad. 4.Include key safety steps (e.g.,"Check for gas before entry"). 分本步 | Fill in based on 20 types of injuries 依据20类伤害来填写 Ask yourself for each step, what accidents could occur to the people during the job step. Ask: Can they be struck by or contacted by anything? Can they be caught in,on,or between anything?Can they fall?Can their strain or over exert themselves? Can they be exposed to gas, fumes, radiation, etc.? | 采取措施前风险 评分 LIKELIHOOD SEVERITY严垂 RISK 可能 重性 风险 性 3.编号对应－预防措施编号须与关联的作 | 1.ldentify hazards- For each job step, list potential accidents. 2.Define precautions- Specify clear do/don't actions (e.g.,"Wear gloves" vs. "Be careful"). Avoid vague terms like "stay alert." 3.Match numbering- Assign precautions the same number as their related job step. 4.Improve methods - Ask: Is there a safer way to perform this job? 1.e对每个作业步强，列山清在 事故。 2.明确预防措施-使用具体指令（如"戴手 套"而非"小心"）。避免模糊表述。 | LIKELIHOOD1 可能 性 | SEVERITY RISK 严重性 风险 | Additional actions shall be in place when the risk level is high after the recommended safe work job procedure is in place. 在推荐的安全工作程序到位 后，当风险等级较高时，应 采取额外措施. | |
| SEQUENCE OF JOB STEPS 工作步骤 | POTENTIAL ACCIDENTS OR HAZARDS 潜在事故和风险 Fillin based on 20 types of injuries 依据20类伤害来填写 | Risk without Controls 采取措施前 风险评分 Ranking | 更新日期（Update RECOMMENDED SAFE JOB PROCEDURE 推荐安全措施 | Risk | Ranking After Controls 采取措施后 风险评分 | Additional Actions Required 其他安全措 施 | Action Party 责任人 | ||
| 1、Planning 计划 | 其他伤害 Other injuries Poor communication 缺乏沟通 | 2 | 3 | 山 Permit requirements are being complied with | Ensure PTW has been completed and is available at the work location,and the 确保作业区域的作业许可已经完成并有效，并且符合作业许可证相关要求。 | 1 | 3 | L | 专业主管 |
| 3 M | 3 | using the product 在使用之前，作业班组成员要阅览喷砂介质 | blasting media to be readily available and reviewed by all team members prior to | 2 | 3 L | 专业主管 | |||
| 2 | JSA and STARRT provided and conducted daily prior to work commencing. The supervisor shall verify that all team members participate and have signed onto the Te | L | 专业主管 | ||||||
| 2 | 3 | 业 所有作业工人须进行项目专门的入场培训 | 每天工作开始前提供并执行JSA 和 STARRT，主管确保所有作业人员参加 STARRT会议并 在STARRT卡上签字，主管确保相关JSA有效，且所有作业班组成员阅览JSA并签字。 Project specific Induction to be conducted for all workers | 1 | 3 L | 专业主管 | |||
| 3 | M | PTW to be applied for the task 作业前申请作业票 The sandblasting area shall be enclosed with warning lines to segregate the equipment zone.A 3-meter isolation distance is required around the operating area. | 2 | L | 专业主管 | ||||
| 机械伤害 Mechanical damage | 3 | 3 M | 打砂区域用警戒线做好圈围，隔离设备区域，作业区域隔离3m coded.喷砂枪上有安全按钮、检查工具和季度色 | Sandblasting gun shallbe equipped with Dead man switch， tools inspected and color If working at height is involved,please refer to the "Work at Height JSA"如涉及高处作业请参 | 3 L | 专业主管 | |||
| 2、Shanding 其他伤害 Other Environmental | 2 | 3 | 考“高处作业JSA” | 使用过的inadppalofusedbasting meda | 1 | 3 | L | 专业主管 | |
| of blasting media. hazard, spillage 存储、处理喷 环境隐患、泄露 砂材料 | 3 | 3 | M | Hazard waste disposal shallbe done by qualified 3rd party 危废须由有资质的第三方进行处理 | 2 | 3 | L | 专业主管 | |
| 3.Use of Electrocution electrical 触电 and mechanical | 2 | 3 | Inspect electrical system prior to use. Check the grounding 使用前检查用电系统，检查接地。 | 3 | L | 专业主管 |
| equipment such as compressor and pressure vessel.使用 电气和机械 设备，比如压 缩机和压力 容器。 vessel) 行喷砂作业 Other injuries （眼部进砂 | damage parts 被机器转动部分 | ||||||||
| 2 | 3 | Follow LOTO procedure during installation and maintenance if required. 设备安装和维护时遵守挂牌上锁程序如有要求。 Provide color code | 1 3 | L | 专业主管 | ||||
| 2 3 | 3 M | 确保季度色正确有效 Designate Competent Electrician to do electrical work. 指定有资质的电工执行电气作业。 | 1 2 | 3 3 | L L | 专业主管 专业主管 | |||
| 机械伤害 Mechanical （Caught in rotating | Machine guards to be in place．机器要有防护罩 Do not wear loose clothing.不要穿宽松的衣物 | 3 | 专业主管 | ||||||
| 卷入） 机械伤害 Mechanical damage | 2 | 3 | Keep hand/body away from pinch point area.让手、身体远离有挤压隐患的区域 | 1 | 3 L | 专业主管 | |||
| （Pinch point,挤压点） 容器爆炸 Vessel explosion | 2 | 3 | Using使用手When working | 1 | 3 | L | 专业主管 | ||
| 3 | 3 | M | All the pressure vessel should be with valid certificate 确保所有压力容器都有检验合格标志 | 2 | 3 | L | 专业主管 | ||
| （压力容器不合格re 3 | 3 | M | Vvldnthlyiolorcde lbelshould be in place | 2 | 3 | L | 专业主管 | ||
| 3 3 | M | Pressure hose must be rated 高压气管必须满足工作压力需求 | 2 | 3 | L | 专业主管 | |||
| 3 3 | M | O | Chc压力容器r的支持entsofpresurevessels. | 2 | 3 | L | 专业主管 | ||
| 4.Perform sandtiosting using a sandblasting device.使用 喷砂装置进 | 其他伤害 theriniures Heath 其他伤害 | 2 3 | Secure equipment on the ground to prevent displacement. 将设备固定在地面上防止其移动 Proper PPE provided to workers including appropriate respiratory protection work clothes, | 3 | 专业主管 | ||||
| 2 | 3 | 向工人提供合适的保用品包括合适的呼吸防护用具、工作服、手套、安全鞋和护目镜等 Regular check of air quality in supplied air respirator(weekly inspection). | 1 | 3 | L | 专业主管 专业主管 | |||
| 2 3 | 对呼吸防护供气质量做定期检查（周检） During sandblasting operations,operators must wear sandblasting hoods. Personnel not involved in sandblasting within the sandblasting area must always wear | 2 3 | |||||||
| 3 | 3 M | appropriatesafetygoggles.Aneyewashstation | acedaround the sandblasting | 专业主管 |
| 5.Housekee ping. Blasting completed 喷砂已完成, 进行文明施 工 通用JSA | Sand into eye) | area 喷砂作业时作业者要佩戴喷砂头罩，喷砂作业区域不参与喷砂作业的人员要时刻佩戴合 适的安全眼镜。喷砂作业周围要放置洗眼点。 | ||||||
| 3 3 M | 山 The sandblasting gun is equipped with an emergency stop switch 喷砂枪配置急停开关 | 2 | 3 | L | 专业主管 | |||
| 2 3 | Pot man to stand by 作业时有监护人进行监护 | 1 | 3 | L | 专业主管 | |||
| 机械伤害 Mechanical daequipment falure 2 设备故障) | Ddiatdneltoisect&maintain teequipmentperiodicly期机器进 | 3 | 专业主管 | |||||
| Equipment failure 设备故障 (Spare rotating/Moving parts 设备旋转/活动部件） 物打击Objectike | 2 | Proper protection forrotating part should be in place 旋转部分必须有合适的护罩 | 3 | L | 专业主管 | |||
| 压缩空气) Unsecured work place. 不安全工作环境 | 3 3 M | used.检查气管处于良好状态，连接处有管卡，喷砂软管连接处应使用卡口和防脱链固定 Copplysiie supply.压缩空气未经过气体过滤不能用于呼吸供气使用，呼吸供气与打磨机供气不能共用- 条气管 | L | 专业主管 | ||||
| 2 3 | Conduct housekeeping with using proper PPE(including dust mask， gloves etc.），waste management, PPE maintenance, After the operation is completed, turn of the gas and power supplies,and return the sandblasting gun to its original position. 做好场地卫生（正确使用 PPE,包括防尘口罩，手套等）、对废料进行管理、维护 PPE 作业完成后，断气、断电、将喷砂枪放回原处。 | 3 | L | 专业主管 |
| Human 的因素 _phone led to | Other injuries 其他伤 Unnet作业区域出 | 3 | 3 M | 必要时张贴警示标识、设置路障 | Display warning signage, install barricades if necessary. | 2 3 | L | 专业主管 | |
| 现未授权人员） Other injuries 其他伤 害（Use of mobile | 3 | 3 | M | Do not use a mobile phone when you are working. 工作时请勿使用手机 | 2 | 3 | 专业主管 |
| distraction cause | |||||||||
| accident 使用手机注 | |||||||||
| 意力分散导致事故) Other injuries 其他伤 害（Working alone单 | 2 | Working alone is not allowed, follow buddy system 不允许单独作业，遵循伙伴机制 | 2 | L | 专业主管 | ||||
| 独作业） Vvehicle inuy 车辆伤 | 2 | td停cyoueep | 1 | 3 | L | 专业主管 | |||
| therinjuris 其他e drug and alcohol 酒后 | Ifindividuals do not get enough rest, fel tired or take some drugs that make people drowsy or inattentive,they should inform the supervisor个人如果没有得到足够的休息，感到 疲乏或者服用了一些使人嗜睡或者注意力不集中的药物，要告知主管 | 专业主管 | |||||||
| /毒品后作业） Other injuries 其他伤 害（Injury人员受伤） | M | Observe properlifting technique. Bend knees whils lifting 遵守正确的搬运技术，搬运时屈膝。 | 2 | L | 专业主管 | ||||
| Training | 作业rator经过与作业ve关的iningrelated tote homework | 2 | L | 专业主管 | |||||
| Occupationa Other injuries 其他伤害 I health (if （Respiratory hazard 呼 involved) 吸隐患） | 3 | M | Use of applicable respiratory protection.使用合适的呼吸保护器。。 | 2 | 3 | L | 专业主管 | ||
| 职业健康（如 Cterinjuries 其他伤害 | 3 | M 使用ns | 2 3 | L | 专业主管 | ||||
| （眼睛受伤Eye protection) | Other injuries 其他伤害 | 始终佩戴护目镜、耳塞、防尘口罩、面罩、手套 Safety glass/ere protection/dust mask/face shield/gloves to be worn | 专业主管 | ||||||
| Mechanical factors 机械因素 | Electrical shock 触电 | Inspection and color code of tools to ensure in good working condition.Check before use every day. 检查工具和季度色，确保能正常使用.每天使用前进行检查。 Ensure power supply protected with RCD or GFCl and grounding installed 确保电源有漏电保护器、良好接地 | 2 | 专业主管 | |||||
| Falling Object 高处坠物 | Object strike 物体打击 | 2 | potential fall locations. object area. 所有在工作过程中有可能掉落至较低区域的工具、松散材料及设备，均使用防坠绳、材料袋、 工具袋/箱等进行固定。 Personnel use mechanized means (e.g. puley systems or ropes) or tool bags to move tools | Require mandatory use of lanyards for hand tools used on modules and place tools in tool buckets/bags if they are not in use,avoiding placement on work platforms and other 要求在模块上使用的手持工具强制使用防坠绳，且如工具没有正在使用应放置在工具桶/工具 包中，避免放置在作业平台和其他潜在坠落的位置。 All tools, loose materials and equipment that have potential to drop to lower areas during work are secured using lanyards, material bags, tool bags/boxes, etc. Barricades and signs/tags are in place to restrict access to areas under and around elevated surfaces on which work is being performed in order to prevent entry into a potential dropped | 专业主管 | ||||
| and materials to or from an elevated work area to eliminate hand carrying tools and equipment up and down stairs and ladders. 区域。 区域或从该区域运出，从而避免徒手携带工具和设备上下楼梯和梯子。 beams,supports, or near holes where there is a risk offalling objects. 物料和工具禁止长时间或临时存放在梁上、支架上、临近孔洞处等存在坠物风险的地方。 the BOMESC Opening Protection Standards. 工作区域的孔洞做好覆盖或者防护，具体参考博迈科孔洞防护标准。 | 在高处作业区域下方及周围设置路障和标志/标签，以限制人员进入，防止其进入潜在的落物 工作人员使用机械化手段（例如滑轮系统或绳索）或工具袋，将工具和材料运送到高处作业 Materials and tools are prohibited from being stored,either permanently or temporarily,on The openings in the working area should be covered or protected,with specific reference to | |||||
| Falling from height 高处 坠落 | 3 | Use approved platform. 使用经过批准的平台。 3 M | Do not stand/walk or work of top of the beam. 不要在梁的顶部站立、行走或者工作。 Do not use makeshift stool such as bucket, plastic spool etc. 不要使用临时的凳子如桶、塑料线轴等。 Cover or provide physical barrier on floor openings and leading edges. 对作业面上的孔洞和边缘进行覆盖或者做圈围防护。 人员在平台上作业时任何人不得移动平台；如工作需要移动平台时，上面的人员需要下来 | 2 2 L | 专业主管 | |
| Lemaland regulations 法律规定及 公司规定 | 3 3 | M | When people work on the platform,anyone is not allowed to move the platform; if the work requires to move the platform, the people above shall get down Pr业开始前提供uSAandSTART priorto work tart. According to the requirements of PSMS（Personnel Safety Management System） safety | 2 3 L | ||
| 3 3 | M | management tools,the foreman and the supervisor shall inspect the site before the working and fill out the SWC. During the working, verification and validation shall be carried out to ensure that the safety measures are efectively implemented.After the working,a review shall be conducted to make our activity safer and smoother. （if needed) 根据 PSMS 安全管理工具要求，作业负责人及主管作业前检查现场并填写 SWC 检查表，作 | 2 3 L | 专业主管 | ||
| 2 Other injuries 其他伤害 | L 3 | 业中进行验证与确认（V&V）安全措施是否有效落实，作业后进行回顾（AAR），使我们的 作业更加安全与顺利。（如涉及） Apply for the corresponding work permit before starting the assignment 作业前申请相对应的作业许可 | 1 3 L | 专业主管 | ||
| Cold and hot stress （Working in cold 冷热应力 weather, cold stress. （wintertime） 寒冷天气作业，冷应力。 （冬季）） | 3 | 3 M | After frost and snow, the working surface should be cleaned in time to prevent slipping or falling from high places due to frost and snow. 霜、雪过后要及时清理作业面，防止因霜雪和场地太滑而引起滑到或者高处坠落。 | 2 3 | L | 专业主管 |
| Its | 2 | 3 L | 专业主管 | |||
| 清除平台上的冰雪。 夹层以及外套。 四肢要进行充足的保护。 的衣物。 工作造成的影响。热工作业时注意火灾风险。 汤类。 | 气体管道、气瓶等压力容器设备禁止使用明火解冻。 Provide proper work platform and clear the platform of ice and snow.为工人提供作业平台并 Appropriate and suitable clothing must be provided. Clothing should consist of a base layer, intermediate layer and appropriate outer garments.提供适当的衣物，衣物应包含底层、中间 Extremities of the body will be protected adequately. Hands should be covered with gloves for temperatures below 0 F (-18C)温度低于0 F （-18℃）时要使用手套保护手。 Caps,hoods,or hard hats with liners should be used to cover the head and ears.使用带衬层 的帽子、风帽、安全帽来覆盖头和耳朵。 Feet should be protected with insulated boots,layers of socks,or boot covers,as appropriate.足部用绝缘靴、袜层、靴套进行适当保护。 An appropriate work-rest regime or schedule and a heated shelter for relieffrom the cold wil be provided.提供适当的作息制度，以及温暖的庇护场所以减轻寒冷带来的影响。 A change of dry work clothing willbe on hand for each worker.每工人都应该更换和穿戴干燥 Warm,non-alcoholic drinks (avoid or minimize coffee or other liquid containing caffeine) and/or soups willbe available.要有可用的不含酒精的热饮（尽量避免含咖啡因的饮料）或者 The buddy system will be used at all times.任何时候都要遵循伙伴制度。 Work will be planned to consider the additional weight and bulkiness of clothing that may affect work performance.Consider fire hazard for hot work 工作时要考虑厚重的衣物可能对 | ||||||
| Other injuries 其他伤害 （ Heat stroke due to working in hot weather, 高温天气工作导致中暑 Hot stroke could cause secondary injury, including fainting, convulsion and confusion hot stress summertime 中暑可能导 致次生伤害，比如眩晕， 痉挛或者意识模糊热应力 (夏季)） | 3 3 | dial yard emergency number 18222955911 for help. M | Work will be performed away from big windy or adverse weather, drafty, or unprotected areasas muchas possible.尽量避免在风大或是不利天气、通风良好的以及未防护区域进行 作业。 Follow the summer construction requirements of BOMESC 遵循博迈科夏季施工要求 Immediately report to yard HSE officers in case of emergency and 及时汇报给场地安全，并拨打场地应急急救电话 18222955911. | 2 3 | 专业主管 | ||
| Workngring | Electrical shock 触电 | 33 | M | Theworkerehng作，保工作域无雨人得 | 2 3 L | 专业主管 |
| 雨天气作业 | 湿 | |||||||
| 3 | M Worker's clothing and PPEmust be dry.工人的衣服和劳保用品必须是干燥的 | Cables and hoses to be inspected prior work and ensuring they are free from any | 2 | L | 专业主管 | |||
| 3 | M exposed core ordamaged.作业前检查气带和电缆并确保它们没有任何裸露的核心或损坏 All electrical equipment shallbe protected from rain via shelters.所有用电设备必须做防雨措 | 2 | 专业主管 | |||||
| 3 | M 施 Check the wires/cables for damage prior operation and take protection measures against | 专业主管 | ||||||
| 3 | 3 M | the rain to getwet.作业前检查电线/电缆无破损并做好防护，防止被雨淋湿 All wires/cables hang up on cable hanger.所有电线架空 | 2 | 专业主管 | ||||
| 3 | 3 3 | M 3 M | Clearing the area of water. Provide proper work platform to workers make sure nobody is | 2 2 | 专业主管 | |||
| Other injuries 其他伤害 | working in the puddle.清理地面积水，为工人提供作业平台，确保没有人站在水中作业 M Increase the guardian in the work area.增加工作区域的监护人 | L | 专业主管 专业主管 | |||||
| (Additional control measures.额外的控制措 | Construction supervisors and electricians are present.建造主管和电工在场 M | 2 2 | 3 | 专业主管 | ||||
| 施） Cowrings | 3 | L | Enufeiedwalky | 3 | L | 专业主管 | ||
| 2 夜间工作) 2 | Wear high visibility/reflective vest 穿高亮反光马甲 | 1 1 | L | 专业主管 | ||||
| 3 | M | Working alone is not allowed, follow buddy system | 2 | 3 | L | 专业主管 | ||
| Operation 业完成eted作 | Other injuries 其他伤害 (Unseured gork 工作区域不安全） | 不允许单独作业，遵循伙伴机制 All equipment de-energized and secured. 对所有设备断电、关闭 | ||||||
| 2 | L | 专业主管 | ||||||
| 2 | 3 | CondtuingPEt保ent,PPEmainenance | L | 专业主管 |
Note:
Hold Point 停顿点 - Supervisor shall assigns a worker to carry out the check to confirm all HOLD points are in place before work commence.主管应指派一名工人进行检查，以确认所有 HOLD 点在工作开始前到位。
Trigger Point 触发点 - Pause or stop the work activity when these TRIGGER points are discovered while work is in progress. 在工作进行期间发现这些触发点时，暂停或停止工作。
以下哪些是适用于此项作业的生命攸关原则？请在下方勾选。
Which of the following LSRs are applicable to the work activity? Please tick below.
制措施是否都已在 JSA 中明确？如是，请勾选□；如否，请在下方补充。
Are the controls all specified in the JSA? If yes, please tick□; If not, please add below.
补充控制措施：
Additional control measures:
STOP and USE a HOLD POINT if unsafe condition identified. Report to your supervisor. Use below space for additional safety issue or task changes. Use HAZARD WHEEL to identify thehazard.如发现不安全情况，停工并进行“停顿点”通知相关主管。在下面补充其他安全问题或作业变动。使用附件中的“风险轮”确定风险种类。
更新日期（Update Date）：2026 年 5 月 30 日（May 30, 2026）
6 国 E 三 0 福 Gra erC温化学设、
JSA Reviewed With Employees 已阅 JSA 的员工
| Employee Name 员工姓名 | Employee Name 员工姓名 Employee Name 员工姓名 | Employee Name 员工姓名 |
更新日期（Update Date）：2026 年 5 月 30 日（May 30, 2026）
| Thereare sufficient and effective preventioncontrol.monitorins and protection measuresor eployees haveahigh sense ofsafety 的防范、控制、监测、保护措施，或员工安全卫生意识相当高，严格执行操 作规程，极不可能发生事故或事件 | 1 | LikeliboodL发生的 | |||||||
| Once the hazard occurs,it can be found in time and monitored 监测，或现场有防范控制措施，并能有效执行，或过去偶尔发生事故或事件 | 10 | ||||||||
| No protective measures(no protective devices,no personal protective equipment,etc.）.or not strictlyinaccordance with ventshaveoccurredinthepast没有保护措施（没有保护装置，没有个 | 司dinthecompan | 15 | 12 | ||||||
| 防护用品等），或未格按操作程序执行，或危善的发生容易被发现（现 场有监测系统），或曾经做过监测，或过去曾经发生类似事故或事件 The ocurrenceof the hazard isnot easy to find, thereis no detection systen on site,no monitoring has been organized, theeotolsesosieuttheeottiel | Occurs many timesyer n公司内每年 | 16 | 12 | ||||||
| 不当，或危善发生或预期情况下发生 ailure to takepre nonitoring.protection,cotrol measuresor hazardsat thesite cannot be found (no monitorins such accidents events often occur ces在现场没有采取防范、监测、保护、控制措施或危善的发生 不能被发现（没有监测系统），或在正常情况下经常发生此类事故或事件 | Occursfrequently atth ootslevel 在基层经常发生 | 15 | 10 | ||||||
| Table of risk easures风险应对措表 | Consequenceseverity/priorityS后果严重/优先程度S | ||||||||
| isk level风险等级 | Controlessures控制措车 ipleet实期 | 5 立即整改 | Widerangeof 大，效 | 2 ，et | 1 | ||||
| 20-25A/1级 极其危险 | 大，效果显著 It does | Smallinfl 范围小，效果 不明品 | |||||||
| 15-16B/2级（Highly dangerous高度危险） | Consider | Rect20 | Fully consistent克全符合 | ||||||
| 9-12C/3级（Significant risk显著危险） | strengthenin 立目标、操作规程 加强培训及信息 | ctives | PeopleDeath人员死亡 bility动力 | 性病 | 间不 | No harm无伤 | |||
| 4-8D/4级（Midrisk轻皮危险） | 建立操作规 | ske ractification plan permit制定整改计划，条件具 时治理 | Directecom Direct economic 10ss失10万接经 1oss 失8万以nd | Direct 1ossMo | Direct 失1万以nd楼1ossTen 损失一万以 | w接经济 | No1oss无损失 | ||
| 1-3B/5级 （S1ightlyd us稍有危险） | No.ot | 记录 保存工 | equipment 以上生产装 | 装置或设备 | stop停了1生产装置或设备 | 不大，几不工 | No downtime无停工 | ||
