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| 动力供应 | |||
| 电力供应 | |||
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supply of power : 34 phrases in 10 subjects |
| Aviation | 1 |
| Business | 2 |
| Chemistry | 2 |
| Communications | 1 |
| Electric machinery | 1 |
| Electronics | 8 |
| Hydroelectric power stations | 4 |
| Rail transport | 5 |
| Space | 2 |
| Technology | 8 |
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