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下钻 : 325 phrases in 17 subjects |
Architecture | 1 |
Bridge construction | 1 |
Drilling | 127 |
Earth sciences | 5 |
Electronics | 1 |
Engineering geology | 11 |
Explosives and Explosive Ordnance Disposal | 6 |
General | 1 |
Geology | 1 |
Geophysics | 5 |
Jewelry | 1 |
Nautical | 1 |
Navigation | 1 |
Oil / petroleum | 78 |
Technology | 83 |
Textile industry | 1 |
Water polo | 1 |