大侧斜对转螺旋桨
high-skewed contrarotating propeller
加速旋转螺旋桨辐射噪声
radiated noise of accelerative propeller
加速旋转螺旋桨噪声
accelerating propeller noise
对转螺桨
contrapropellers
contra-ratating propeller
contra-turning propeller
contrarotating propellers
contra-turning rotating propeller
contrarotating rotors
环面螺旋旋转变换
Torus screw rotation transformation
螺旋桨转速
rotational velocity of propeller
propeller revolution
逆转螺旋桨
Counterrotating propeller
螺旋桨桨叶安装角
angle of propeller blade setting