水泵底阀自动开闭装置

Automatic close device of water pump bottom valve

论述了水泵不能自动泄水的危害及解决办法,详细阐述了水泵底阀自动开闭装置的结构及动作原理,实际应用中效果良好。

That the harm and solvent of water pump can not automaticaly discharge are discussed, and the structure and action principles are also expounded. The use result is very well.