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rock structure | |||
rock fabric; structure of rocks | |||
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rock structure |
岩石构造 : 20 phrases in 7 subjects |
Desert science | 2 |
Earth sciences | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Hydroelectric power stations | 2 |
Oil / petroleum | 4 |
Technology | 8 |