本文介绍了离心泵节能的主要技术，并提出了前置导叶预旋调节的节能技术。
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.
潜艇前置导叶螺旋桨是CSSRC为提高潜艇快速性和降低螺旋桨噪声而开发的一种新装置。
Submarine Guide Vane Propeller is a new device developed by CSSRC to improve powering performance and reduce propeller-radiated noise of submarine.
潜艇前置导叶螺旋桨是CSSRC为提高潜艇快速性和降低螺旋桨噪声而开发的一种新装置。
Submarine Guide Vane Propeller is a new device developed by CSSRC to improve powering performance and reduce propeller-radiated noise of submarine.
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