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mineral ore |
矿物矿石 : 70 phrases in 12 subjects |
Business | 1 |
Chemistry | 1 |
Desert science | 3 |
Earth sciences | 9 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 9 |
Geology | 4 |
Mechanic engineering | 1 |
Metallurgy | 10 |
Nautical | 1 |
Oil processing plants | 2 |
Technology | 28 |