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压缩空气洗井钻进; 空气钻井; 风动凿岩 | |||
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飞机播种 | |||
空气钻井 | |||
风钻; 空气钻进; 空气洗井钻进; 压缩空气冲井钻进 |
air-drilling : 29 phrases in 7 subjects |
Chemistry | 1 |
Drilling | 6 |
Earth sciences | 1 |
Engineering geology | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
Oil / petroleum | 10 |
Technology | 6 |