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rathole | |||
deflected borehole; gone-off hole; misdirected hole | |||
gone off hole |
偏 斜 钻孔: 27 phrases in 7 subjects |
Bridge construction | 1 |
Earth sciences | 1 |
Engineering geology | 5 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 2 |
Oil / petroleum | 2 |
Technology | 15 |