1) closed model pump control
闭式泵控
2) Closed cycle heat pump
闭式热泵
3) vortex pump with shrouded impeller pump
闭式旋涡泵
4) pump with enclosed impellers
闭式叶轮泵
5) closed drain pump
闭式排放泵
6) open model pump control
开式泵控
补充资料：鐍闭
1.封锁关闭。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条