混流泵?4、耗用功率太大?The power?consumption is too large?1、转速太高?2、传动轴弯曲?3、填料压得太紧?4、轴承磨损或损坏?5、叶轮和前盖摩擦?6、皮带太紧?1.The rotate speed is too high?2.The drive shaft is bend?3.The padding is too tight?4.The bearing