| 例句 |
Hydraulic jacks under the machine produce the movement.是机器下面的液压千斤顶造成的移动。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。The platform was elevated by means of hydraulic legs.平台由液压支架抬升起来。The heart pumps blood into the veins.心脏把血液压送至血管。 |