?共轴反转螺旋桨
... 反向旋转螺旋桨 contrarotating airscrew; counter rotating airscrew 共轴反转螺旋桨 contraprop; contrauotating propeller; counter propeller; dual rotation propeller 共轴反转螺旋桨轴 coaxial propeller shafts; counter rotating propeller shafts; dual rotation propeller shafts ...