propellers螺旋辊propellern.螺旋桨；推进器=propellor.propeller blade section推动机刀部propeller tip clearance人字顶间隙propeller pressure side推进器压力侧面propeller pitch control螺旋桨桨距调节机构Propeller static thrust螺旋桨静推力propeller shaft assembly螺旋桨轴总成propeller governor drive螺旋桨桨距调节器(的)传动装置propeller exciting force螺旋浆激振力propeller-driven plane螺旋桨飞机propeller turbine engine涡轮螺旋桨发动机