prerotation

1.This paper introduced the energy saving principle of air intake prerotation adjustment and the application area and method of air intake prerotation regulator.

介了进气预旋调节节能原理及进气预旋调节装置范围和使方法。

2.This paper introduces the main energy saving technologies of centrifugal pump.And the author proposes a new energy saving technology which is called prerotation regulated by the inlet guide vane.

本文介了离心泵节能主要技，出了前置导叶预旋调节节能技。