- penetration pen
- 进尺: make hole; drilling depth; d ...
- 笔: pen; pencil; stylus; writing ...
- 进尺: [矿物学] make hole; drilling depth; drilling footage; footage 掘进进尺 drifting footage; 开拓进尺 tunnelling footage; 凿岩进尺 drilling footage
- 进尺, 钻井进尺: drilling footage
- 班进尺: per-shift drilling depth
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