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| 砖砌图样; 砖砌面式样; 砖砌面样; 地表水系 | |||
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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 |
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