螺（旋）桨制动器

clockwise airscrew

left-hand airscrew【航】;left-hand propeller【航】

variable-pitch airscrew【航】;variable-pitch propeller【航】

vehicle drive by means of airscrew

adjustable propeller【航】;adjustable-pitch airscrew【航】;variable-pitch propeller【航】

fixed-pitch airscrew【航】

airscrew【航】;propeller【航】;propellor【航】

pusher airscrew