组合式螺旋桨  Screw

二次正交螺旋组合  quadratic combination of orthogonal helical

涡轮-螺旋桨组  turbine-airscrew unit

组合螺桨  built-up propeller; built up propeller; adjustable pitch

复合螺旋桨  composite propeller

螺旋桨桨毂  propeller hub

螺旋桨桨叶  propeller blade

螺旋桨桨叶安装角  angle of propeller blade setting

螺旋桨桨叶面积  area of propeller

螺旋桨螺距  Propeller pitch

螺旋桨螺母  propeller nut

螺旋螺桨  spiral propeller

内旋螺旋桨  inward turning screw; inward turning propeller

蜗旋螺旋桨  spiral propeller

亚秒级螺旋螺旋CT  Subsecond spiral CT

右旋螺旋桨  clockwise propeller

左旋螺旋桨  left-handed screw; left-hand propeller; left-handed propeller

US—机组组合  US--Unit Commitment

安全约束机组组合  Car-pedestrian Collision; car-pedestrian accident; security-constrained unit commitment; security constrained unit commitment