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["Les maîtres peuvent expliquer cela",,"Parmi les différents types de machines de transfert de fluides,,,,,,,,,,,,,,,,,,,,,,,,,,,,这 option should be "pompe à piston"?,"Cette question dev la pompe centrifugeue,,"Les pompes volumétriques ne devent pas réglerlerer le débit en sortie !",,"La pompe centrifugeue,,,,答案是正确的吗?,"Seulement les pompes de type vitesse sont adaptées pour réglerlerer le débit en sortie par restriction de de diame !"}

2018-01-29View Original

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下列几种流体输送机械中,宜采用改变出口阀门的开度调节流量的是( C )。 A.齿轮泵 B. 旋涡泵 C. 离心泵 D. 往复泵 这道题选的是往复泵,我记得往复泵的流量调节应该是调节行程的?
Reply #22018-01-29
这道题选离心泵啊。弄错了吧
Reply #32018-01-30
容积式泵不宜用调解出口调解流量!
Reply #42018-01-30
离心泵呀,答案不是正确的么
Reply #52018-02-04
只有速度型泵适合进行出口节流调节~~~~~~~~

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