decelerating ducted propeller的意思|示意

减速型导管螺旋桨 ... 导管螺旋桨舵 propeller 减速型导管螺旋桨 decelerating ducted propeller 变角导管螺旋桨 tilt ducted propeller ...

减速导管推进器 decelerating ducted propeller 减速导管推进器; 减速型导管螺旋桨螺 ducted-propeller aircraft 函道螺旋桨飞机

减速型导管螺旋桨螺 decelerating ducted propeller 减速导管推进器; 减速型导管螺旋桨螺 ducted-propeller aircraft 函道螺旋桨飞机 non-axisymmetrical ducted propeller 非同对称导流管螺旋桨 .