Wine pump, self suction pump, axial flow pump, starch pump, high temperature concentrated slurry pump, detachable pipingpump, valve fittings etc.
酒泵，自吸泵，轴流泵，淀粉泵，高温浓浆泵，便拆式管道泵，泵阀配件等。
2
The pump and piping are designed to be kept full of water. But they tend to leak and develop alternating pockets of air and water, Mr. Friedlander said.
水泵和管道在设计上是应该充满水的。弗里德兰德先生说，但是它们发生了泄漏，变成了水气混合的状况。
3
The pump and piping are designed to be kept full of water.