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| 高转速混流式水轮机 | |||
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| 高转速混流式水轮机; 高转速法兰西斯式水轮机; 高转速辐向流式水轮机 | |||
| 高转速辐向轴流式水轮机 | |||
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high -speed Francis turbine : 4 phrases in 1 subject |
| Hydroelectric power stations | 4 |
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