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 control闭合控制closed to cars禁止汽车通行closed quality加密质量closed-state闭合状态closed effuser闭合式喷管closed mapping闭映射closed routine闭合程序closed drainge闭式引流closed network闭环网络closed economy闭关自守经济