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| 水力发电开发; 水力发电 (建设); 水电开发; 水电站建设 | |||
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| 水电站建设 | |||
| 水电开发; 水力发电工程 | |||
| 水力发电开发; 水力发电 (建设); 水电站建设 | |||
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hydroelectrical development : 15 phrases in 5 subjects |
| Agriculture | 1 |
| Ecology | 1 |
| Electric machinery | 2 |
| Hydroelectric power stations | 4 |
| Technology | 7 |
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