closed outv.抛售(停业)closedadj.关闭的；封闭的；停业的动词close的过去式和过去分词.closed system catheter tray封闭式导尿管托盘closed end investment trust定额投资信托closed-loop load applying闭环加力closed-circuit connection闭路接线法closed-cricuit television闭路电视, 有线电视closed-circuit television闭路电视closed user group selection闭合用户群选择closed loop synchronization闭环同步Closed Loop Jumper Assembly闭合环路跨接线装置closed pneumothorax simplex闭合[单]纯性气胸