单词	bell crank
释义	bell crank bell crank n (General Engineering) engineering a lever with two arms having a common fulcrum at their junction bell crank bell crank A double lever in an aircraft control system used to change the direction of motion. Bell cranks are normally used in aileron controls and in the steering system of nose-wheels. AcronymsSeeBELCRK
随便看	whrc whrd whre whren whrf whrg whrhs whri whria whrl whrm whrn whrnet whrow whrp whrpc whrr whrri whrs whrsd whrt whrtc whrtf whru whrv

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