[固]定[螺]距螺桨  fixed pitch propeller {= FPP

DNA螺距  DNA pitch

PCM螺距控制机构  PCM pitch-control mechanism

变节距螺旋  variable-pitch screw

变距螺杆  pitch-varying spiral

变距螺桨  adjustable (blade) propeller; adjustable pitch propeller; Variable pitch propeller; controllable pitch propeller

变距螺旋桨  Variable pitch propeller; Hybrid simulation

变螺距  variable-pitch; variable pitches; Varying pitch; changing pitch; variable pitch

变螺距螺杆  Varying pitch screw; variabe pitch screw; pitch-varying spiral rod; change thread pitch screw; variable pitch screw

变螺距螺纹  varying pitch thread; Varying pitch screw; variablc pitch thread

变螺距螺旋  variable pitch helical

变螺距螺旋桨  Variable pitch propeller

变螺距螺旋扫描  variable pitch helical scan

变螺距螺旋线  variable pitch helix

变螺距诱导轮  Variable-pitch Inducer

变直径变螺距  variable diameter and variable pitch

标准螺距  sp; standard pitch

表观螺距  apparent pitch

不同螺距的螺旋浆  variable propeller pitch

缠绕螺距  winding pitch