水泵剧烈震动可能电动转子不平衡，或联轴器结合不良，轴承磨损弯曲；

Rattling electric pump rotor may be uneven, or combination of bad coupling, bearings wear bending;

youdao

水泵剧烈震动可能电动转子不平衡，或联轴器结合不良，轴承磨损弯曲；

Rattling electric pump rotor may be uneven, or combination of bad coupling, bearings wear bending;

youdao