There are various methods to solve the pump operation point.
水泵工况点求解的方法有多种。
Timer control pump operation time, less expensive and easy to operate.
定时器控制泵的运转时间，较便宜且操作简单。
Vortexing Can cause unstable pump operation, vibration, pulsation and severe mechanical damage.
涡流可能会导致泵运行不稳定、振动、跳动和严重的机械破坏。
The control scheme for multi pump operation is thus improved, which changes pump frequency and controls pump operation according to water consumption.
改进了多台水泵的控制方式，即根据系统用水量改变水泵频率从而控制水泵的运行情况。
The control scheme for multi pump operation is thus improved, which changes pump frequency and controls pump operation according to water consumption.
改进了多台水泵的控制方式，即根据系统用水量改变水泵频率从而控制水泵的运行情况。
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