drilling electric equipment
... 钻井船 drilling ship 钻井电气设备 drilling electric equipment 钻井钢丝绳 drilling line ...
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对电气设备的接地与保护问题进行了论述，并对采油、钻井、物探等作业环境中的电气设备问题提出建议。
Grounding and protection of electric equipment of oil field enterprise has been discussed, and its grounding and protection proposed also for oil traction, drilling and prospecting.
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