Variable-speed control we already know, at a certain speed axial flow pump are working under, and to obtain the corresponding flow, lift, power and efficiency.
变速调节我们已经知道，轴流泵是在一定转速下工作的，而且获得相应的流量、扬程、功率和效率等。
The output ends of the electronic lock switch are further connected with the control signal ends corresponding to the speed controller.
所述电子锁开关的各个输出端还分别与速度控制器上对应的控制信号端连接。
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