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| energy law | |||
| energy theorem | |||
| 能量定律: 14 phrases in 10 subjects |
| Aviation | 1 |
| Bridge construction | 2 |
| Chemistry | 1 |
| Corporate governance | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 3 |
| Wind Energy | 2 |
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