On the basis of operational principle of bladed fluid machines, a wicket-gate-free axial-flow water-power recoverer was researched and developed.
摘要基于叶片
流体机械
原理研究开发出一种无活动导叶卧轴流水能回收装置。
On the basis of operational principle of bladed fluid machines, a wicket-gate-free axial-flow water-power recoverer was researched and developed.
摘要基于叶片流体机械原理研究开发出一种无活动导叶卧轴流水能回收装置。
Evolving process of hub dynamo which used in bicycle is presented. The performance of magnetite viz. ferrimagnetism or NdFeB is analyzed. The prospect of marketing is viewed.
摘要介绍了自行车
使用花鼓发电机演变过程，分析了所用磁石，即铁氧体或钕铁硼性能优劣，并进行了市场前景展望。
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