closedtopn.顶封closedadj.关闭的；封闭的；停业的动词close的过去式和过去分词.closed contour闭合围线closed vesicle封闭型小泡closed pattern闭合模式closed simplex闭单形closed roadway密闭巷道closed complex闭复合形,闭复形Closed profile封闭轮廓closed surface密实面层,密闭式表层,闭曲面closed linkage强耦合,紧密耦合closed damaged闭合性腹部损伤