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| 轴伸管型贯流式水轮机 | |||
| 轴伸贯流式水轮机 | |||
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| 轴伸贯流式水轮机 | |||
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shaft-extension type tubular turbine : 3 phrases in 2 subjects |
| Electric machinery | 2 |
| Technology | 1 |
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