泵、轴承座、电动机的基础地脚螺栓是否松动；

Pumps, bearing blocks, motor loose Whether or not the foundation anchor bolts;

youdao

泵、轴承座、电动机的基础地脚螺栓是否松动；

Pumps, bearing blocks, motor loose Whether or not the foundation anchor bolts;

youdao