High: Heat Division Shanghai engineering, chemical instrumentation bunkers, chemical equipment fitter, chemical overhaul electrician and chemical maintenance welder.
高级：热力司沪工、化工仪表维修工、化工检修钳工、化工检修电工、化工维修焊工。
High: Heat Division Shanghai engineering, chemical instrumentation bunkers, chemical equipment fitter, chemical overhaul electrician and chemical maintenance welder.
高级：热力司沪工、化工仪表维修工、化工检修钳工、化工检修电工、化工维修焊工。
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