 |
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| amount of energy-saving | |||
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节 能量 : 30 phrases in 11 subjects |
| Aviation | 2 |
| Economy | 1 |
| Electronics | 1 |
| General | 1 |
| Geophysics | 1 |
| Heavy equipment vehicles | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Refrigeration | 14 |
| Technology | 5 |
| Wind Energy | 1 |
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