千斤顶 qiānjīndǐng jack Definitions Defs Origin Strokes Stroke Words Sentences Sents 液压千斤顶 yèyāqiānjīndǐng hydraulic jack 螺旋千斤顶 luóxuánqiānjīndǐng screw jack 齿条千斤顶 chǐtiáoqiānjīndǐng rack jack rack and pinion jack
