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density/moisture |
密度/湿度 : 33 phrases in 9 subjects |
Desert science | 2 |
Earth sciences | 2 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 2 |
Oil / petroleum | 2 |
Rail transport | 1 |
Space | 1 |
Technology | 19 |