短语词组短语Hold -Up Capacitor 保持电容The Hold -up 抢劫案solvent hold -up 溶剂滞留hold d up 举起;阻挡;耽搁;提出hold -up effect 套牢效应low hold -up 低滞留量;塔的低滞留量liquid holdup [物]持液量 返回 hold up