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| 钻探进度计划; 钻探方法; 钻探程序 | |||
| 钻孔程序; 钻探计划; 钻探方案 | |||
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| 钻孔程序; 钻探计划; 钻探方案; 钻探程序 | |||
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boring programme : 4 phrases in 1 subject |
| Technology | 4 |
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