return pump
短语词组
- return sludge pump 回流污泥泵
- boiler return circulating pump 锅炉回水循环泵
- return drain pump 疏水泵
- return flow pump relay 回油泵继电器
- return sludge pump coupling 回流污泥泵联轴器
- return pressure pump relay 返回压力泵继电器
- return -pump E 回压油泵
- Oil return by pump reversal 泵浦反转回油 返回 return pump