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drill well

网络凿井

drill well

drill well

drill well

凿井

机械工程英语翻译D-50... ... 钻台虎钳 drill vice 凿井 drill well 钻锥 drill，bit ...

1

Operate the Grinding or Drill well.

熟练进行磨床或摇臂钻床加工操作。

2

Applied Conditions and Effect of Mechanic Flushing Well Method in The Well Completion of Drill Well

钻井成井中机械洗井方法的适用条件与效果

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