valve chest ; valve box
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执行中控指令，协调处理站场阀室异常问题。
Execute on scene command, coordinate emergencies occurred in off-take stations and valve rooms.
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阀室盖不见了。
The valve chamber cover is missing.
负责埋地管道、站场和阀室埋地管道、码头钢桩涂层的检测和维护工作。
To inspect and maintain the coating for buried pipeline and jetty stakes.
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