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| 正循环冲洗 | |||
| 正循环洗孔 | |||
| 正循环冲洗冲洗液从钻具内孔输人孔底，然后携带岩屑〈粉〉从钻具与孔壁之间的环形空隙返回地表的冲洗方法 | |||
| 正循环洗井 | |||
| 正循环冲洗【岩】; 正洗井; 正冲件 | |||
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direct flushing : 2 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 1 |
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