多段恒压供水系统的实现

Realization of a Varied and Constant Pressure Watering System

文介绍一套每天能提供四个恒水压的深井水自动供水系统。按需供压 ,最大限度地节约用电。

In this paper, a watering system of deep well is introduced, it can supply four constant pressure automatically according to daily needs. So more power can be saved.