反距螺旋桨 reversible pitch propeller ; reversible pitch ; propeller

反转螺旋桨 counter propeller ; propeller ; counter

同轴反转螺旋桨 coaxial contra-rotating propellers

反向旋转螺旋桨 contra-propeller ; counterrotatingairscrew ; contrarotating airscrew

螺旋桨反转试验 backing propeller test

左右反向旋转螺旋桨 handed propeller

反时针旋转螺旋桨 counterclockwise propeller

同轴反转螺旋桨叶 Contra-rotating propellers