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扩孔 | |||
岩芯钻探; 岩心鑽孔 | |||
取心钻进钻进时,在孔底保留岩心,并主要以提取出的岩心来研究了解地下地质情况的钻进方法 | |||
岩芯钻探 (boring) | |||
取心钻进; 取心钻井 | |||
岩芯钻进; 钻取岩芯; 取芯钻探法; 取芯钻井; 取芯钻进 | |||
钻取岩心 | |||
| |||
岩心钻进; 钻取岩心; 取心钻探法 |
core -drilling : 41 phrases in 8 subjects |
Automobiles | 1 |
Drilling | 5 |
Earth sciences | 4 |
Electronics | 1 |
Engineering geology | 10 |
Explosives and Explosive Ordnance Disposal | 2 |
Oil / petroleum | 4 |
Technology | 14 |