Submarine Guide VanePropeller 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。
2
Requires separate propeller (or cups) and wind vane detectors.
需要单独的螺旋桨（或风杯）检测器；
3
Many invariable physical features can be obtained with DEMON analysis such as revolution rate of propeller, the propellervane, and the number of propellers.