closedadj.关闭的;封闭的;停业的动词close的过去式和过去分词.
closed walk闭途径
closed hood封闭罩
closed core闭合磁心
closed face闭式面板
closed coil通路线圈
closed bead封闭的筋
closed hoop闭合环
closed room闭室
closed sets闭集
closed ball闭球