Be responsible for maintaining gas pipe, valve and other accessories.
负责煤气主管道、阀门及辅件的维修保养。
Be responsible for maintaining gas pipe, valve and other accessories in boiler room.
负责锅炉房内煤气管道、阀门及辅件的维修保养。
Be responsible for maintaining gas pipe, valve and other accessories in boiler room.
负责锅炉房内煤气管道、阀门及辅件的维修保养。
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