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noun | verb | to phrases
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| 凿井〔岩〕机; 钻矿井机; 割圆锯床; 圈套; 陷阱 | |||
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| 开〔穿，套〕孔; 从…中取出岩心; 挖深切削; 把…诱人圈套; 引诱 | |||
| 割圆机; 动 开穿，套孔 | |||
| 钻机; 钻矿井用的大直径钻头 | |||
| 凿岩机; 凿井机; 钻井机 | |||
| 圆锯; 穿孔; 打眼; 钻孔机 | |||
| 环锯 | |||
| 环钻; 线锯; 钻井机 (架); 钻矿机; 开孔; 打眼机; 割圆锯; 套孔 | |||
| trepan: 10 phrases in 4 subjects |
| Aviation | 1 |
| General | 2 |
| Metallurgy | 1 |
| Technology | 6 |