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天然气和水 |
gas and water : 40 phrases in 13 subjects |
Aviation | 1 |
Construction | 1 |
Consulting | 1 |
Drilling | 16 |
Earth sciences | 1 |
Ecology | 1 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Geology | 5 |
Mining | 4 |
Nautical | 1 |
Oil / petroleum | 1 |
Technology | 6 |