This paper analyzes the effect and definition of the feathering propeller,and introduces the principle to design the feathering propeller using the controllable pitch propeller(CPP) theory.是什么意思_This paper analyzes the effect and definition of the feathering propeller,and introduces the principle to design the feathering propeller using the controllable pitch propeller(CPP) theory.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句