watertowerAutomatebilgingdevice

代码说明：

  1、要求设计制作一个贷保护装置的水塔自动进水装置。 2、要求有水满、进水、水量不足指示，当水位低时要 自动进水，满时要及时断电停水，水位过低时能进行断电保护。(1, require a loan designed to protect devices, automatic water towers device. 2, requires filled with water, water, water shortage of instructions, when the water level is low should be automatic, full power stoppage time when the water level too low to carry out power-off protection.)