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无效能量 |
waste energy : 21 phrases in 13 subjects |
Automobiles | 1 |
China | 1 |
Earth sciences | 3 |
Ecology | 1 |
Economy | 1 |
Electronics | 1 |
Engineering geology | 1 |
Environment | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Mechanics | 1 |
Metallurgy | 2 |
Space | 1 |
Technology | 6 |