The pump and piping are designed to be kept fullof water.
水泵和管道在设计上是应该充满水的。
2
The pump and piping are designed to be kept fullof 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 shame is that there are still many more around who, in the name of truth-telling, are prepared to pump the atmosphere fullof poison.