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| 钻井控制; 钻进控制; 自动送钻控制器 | |||
| 钻孔控制 | |||
| 钻探控制 | |||
| drilling control: 37 phrases in 5 subjects |
| Drilling | 15 |
| Earth sciences | 5 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Oil / petroleum | 9 |
| Technology | 6 |
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