A group of apprentics were operating the hydraulic press.一群学徒正在开动水压机.The antiwear hydraulic oil had excellent lubricating, antioxidant, thermal stable properties.抗磨液压油具有突出的抗磨性,良好的润滑性 、 抗氧性和热安定性等特点.Hydraulic characteristi...
Hydraulic jacks under the machine produce the movement.是机器下面的液压千斤顶造成的移动.The boat has no fewer than five hydraulic pumps.这艘船配有不少于5个液压泵。A group of apprentics were operating the hydraulic press.一群学徒正在开动水压机....