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| density/moisture | |||
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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 |
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