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近年来,人畜饮水困难地区搞了许多各式各样的给水工程,其中相当一部分是属群众迫切要求而建成的初级自来水工程。这种工程要有安全可靠、操作简便且投资节省的自动化装置.笔者根据不同情况设计
In recent years, many kinds of water supply projects have been carried out in areas where people and livestock have difficulty drinking water. A considerable part of them are primary water supply projects that are urgently required by the masses. This project should have safe and reliable, easy to operate and save investment in automation devices. I design according to different situations