| 释义 |
underbalance perforating
- 冲孔模chōng kǒng mó
pierce die; perforating die; punching die
- 穿孔机chuān kǒng jī
card punch; perforator; puncher; perforating machine; key punch
- 穿孔的chuān kǒng de
perforate, perforative
- 钻孔zuàn kǒng
drill; drill hole; perforate; borehole; solid boring; punching
- 穿孔chuān kǒng
bore a hole; punch a hole; perforate; tresis; piercing
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