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 pump consists of prime motor, multi stage centrifugal pump, seat, wire and control, in which the key part is the prime motor.
它由电念头、多级离心泵、底座、电缆和节制屏构成，个中电念头是该系统的要害部件。
In those places where a high degree of automatization is available or multi pump ordinal control is used, it works even better. So we think it is a...
尤其在自动化程度高、多气缸顺序控制的场合，该控制阀箱更加能够突出其优良特性。
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