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Pump product you don't know, we tell you.
TITLE:
改变泵性能曲线的方法
(1)转速调节
(2)切割叶轮外径调节
(3)改变叶片角度调节
(4)改变前置导叶叶片角度的调节
(5)改变叶片前缘间隙的调节
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