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砖砌图样; 砖砌面式样; 砖砌面样; 地表水系 |
surface pattern : 10 phrases in 8 subjects |
Automobiles | 2 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Technology | 2 |
Wind Energy | 1 |