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水封的 |
water-sealed : 42 phrases in 12 subjects |
Architecture | 2 |
Chemistry | 2 |
Compressors | 2 |
Construction | 1 |
Ecology | 1 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 7 |
Nursing | 1 |
Oil / petroleum | 1 |
Technology | 20 |
Textile industry | 1 |