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natural slope | |||
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natural slope |
天然坡 : 24 phrases in 9 subjects |
Bridge construction | 2 |
Construction | 1 |
Electronics | 1 |
Engineering geology | 5 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 4 |
International trade | 1 |
Metallurgy | 1 |
Technology | 8 |