A.HV1401 B.XCV1401A C.XCV1401B D.FV1401
A.FV1121A B.FV1115A C.FV1116 D.FV1115B
A.機泵出口壓力表讀數(shù)大幅度變化,電流表讀數(shù)波動大 B.泵體及管線內(nèi)有噼啪作響的聲音 C.出口流量小 D.電機燒壞