变角调节从构造来看，轴流泵叶轮具有巨大的轮毂，便于安装可调角度的叶片。
Variable Angle adjustment from the structure, the axial flow pump impeller with enormous wheels, easy to install adjustable Angle blade.
当叶片安装角度改变后，叶片对水的升力也就改变了，从而改变了水泵的工作性能，这就是轴流泵的变角调节。
When the blade installation Angle changes, the leaves of water lift is changed, thus changing the water pump job performance, this is the axial flow pump of the variable Angle adjustment.
速度调节器采用变结构控制加以高速时的超前角控制。
Velocity controller is composition of variable structure control and lead angle control.
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