A.轉(zhuǎn)子不平衡B.轉(zhuǎn)子不對(duì)中C.油膜振蕩D.齒輪故障
A.壓電效應(yīng)B.電磁感應(yīng)定律C.電渦流效應(yīng)D.光電效應(yīng)
A.設(shè)備運(yùn)行過(guò)程中維修B.會(huì)增加故障發(fā)生率C.造成過(guò)剩維修D.增加維修