... 叶轮效率 rotor efficiency 转轮效率 wheel efficiency 单流式水涡轮 single discharge spiral water turbine ...
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fly wheel efficiency 飞轮效率
High Efficiency airfoil bladed wheel 高效翼型叶轮
High efficiency hollow bladed wheel 高效空心叶轮
Wheel brake efficiency 机轮刹车效率
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