[固]定[螺]距螺桨
fixed pitch propeller {= FPP
变螺距螺杆
Varying pitch screw
variable pitch screw
change thread pitch screw
variabe pitch screw
pitch-varying spiral rod
变螺距螺旋扫描
variable pitch helical scan
卡米瓦型可调螺距螺旋桨
KaMeWa type controllable pitch propeller
可变螺距螺桨
reversible pitch propeller
可变螺距螺旋桨
Variable pitch propeller
adjustable pitch propeller
controllable pitch propeller
可调螺距螺旋桨
adjustable pitch propeller
controllable pitch propeller
adjustable propeller
aerodynamic characterestics
controllable-pitch propeller
fuzzy comprehensive judgement
CPP
adjustablepropeller