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快速凝固 | |||
快硬水泥; 快速水泥 |
rapid cement : 45 phrases in 12 subjects |
Architecture | 1 |
Bridge construction | 3 |
Chemistry | 3 |
Construction | 2 |
Drilling | 3 |
Earth sciences | 2 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 3 |
Hydroelectric power stations | 1 |
Metallurgy | 4 |
Technology | 21 |