Float switch according to the required water level changes, automatic control of pump start and stop, do not need special care.
浮球开关可以根据所需的水位变化，自动控制泵的启动与停止，不需专人看管。
Three functions of fire hydrant buttons in fire fighting joint control system are discussed and direct pump start is highlighted.
阐述了消火栓按钮在消防联动控制系统中的三种作用，重点探讨了它的直接启泵功能。
Understand pump test theory and guide test fitter to follow the WI and procedure to build the test loop. Check and make sure no any potential issue before pump start .
理解泵测试的原理并现场指导测试操作工按照WI和程序搭建测试回路，检查和确认泵在启动前没有任何潜在危险因素；
The results show that, in the tubular pump start the process, the delay time of opening gate and the speed of the starting gate are significant influence the transition process.
计算结果显示，在贯流泵站起动过程中，闸门开启延时时间以及闸门开启速度对起动过渡过程均有明显影响。
The results show that, in the tubular pump start the process, the delay time of opening gate and the speed of the starting gate are significant influence the transition process.
计算结果显示，在贯流泵站起动过程中，闸门开启延时时间以及闸门开启速度对起动过渡过程均有明显影响。
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