转子泵的转子叶数可能是两叶或三叶。
Number of lobe of rotor in rotating pump may be two or three.
YB_1—100叶片泵存在噪声高，压力脉动大，性能稳定性差的问题。
The present problems of YB_1-100 vane pump are high noise, large pressure pulse and poor stability.
YB_1—100叶片泵存在噪声高，压力脉动大，性能稳定性差的问题。
The present problems of YB_1-100 vane pump are high noise, large pressure pulse and poor stability.
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