摘要
由CMOS与非门组成的控制器 ,结构简单 ,动作可靠 ,适用于城市高楼和农村乡镇集中供水的自动控制 ,在保证正常供水的前提下 。
The controller composed of cmos NAND gate is simple and reliable.It can be used for controlling water feeding in urban high building or town.The controller can guarantee water feeding and spare water and power.
