齿条 chǐtiáo rack Definitions Defs Origin Strokes Stroke Words Sentences Sents 齿条千斤顶 chǐtiáoqiānjīndǐng rack-and-pinion jack a type of mechanical jack that uses a gear rack and a small gear to lift heavy objects齿轮齿条 chǐlúnchǐtiáo rack and pinion a pair of gears which convert rotational motion into linear motion
