水力学的英文是： hydraulics
hydraulics
英[haɪˈdrɔ:lɪks] 美[haɪˈdrɔlɪks]
n. 水力学;
[例句]There was a whine of hydraulics as the undercarriage locked into position.
随着液压系统嘎吱一声响，起落架进入了锁定位置。
