When the pump is normal work, but through the valve and pump water loop truncate the channel impeller, and put off the liquid water ring round.
当泵正常工作后，可通过阀截断水环轮和水泵叶轮的通道，并且放掉水环轮内的液体。
The idea of the design method throws off the reliance on the engineering experience, avoids complicated special transformation, and has the blade profile and impeller optimized.
本文的设计思想，减少了对工程经验的依赖，避免了复杂的空间转换，可使叶型和叶轮得到优化。
The idea of the design method throws off the reliance on the engineering experience, avoids complicated special transformation, and has the blade profile and impeller optimized.
本文的设计思想，减少了对工程经验的依赖，避免了复杂的空间转换，可使叶型和叶轮得到优化。
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