large hole drilling的意思|示意

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大井眼钻井

large hole drilling的网络常见释义

大井眼钻井 ... large hole diameter perforation 大直径炮眼 large hole drilling 大井眼钻井 large low-land river 平原大河 ...

large hole drilling相关短语

1、 large-hole drilling 大口径钻进

2、 Large diameter long-hole drilling 大直径深孔凿岩

3、 large hole diamond drilling 大口径金刚石钻进