液压千斤顶 yèyāqiānjīndǐng hydraulic jack Origin Definitions Defs Strokes Stroke Words Sentences Sents 液压 液壓 yèyā hydraulic To use fluid pressure to transmit power or perform work, such as in a hydraulic press.千斤顶 千斤頂 qiānjīndǐng jack a tool used to lift heavy weights, typically using a screw, rack, or hydraulic system, often used for machine repair or installation