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 semiring闭合半环
closed fuselage密闭机身
closed drainage内流水系; 暗沟; 阴沟
closed-mindedadj.保守的
closed my doorsv.拒而不纳(关门停业)
closed approach闭合切口
closed agitator密闭搅拌器
closed our earsv.塞住耳朵(不听)
closed porosity封闭气孔,闭口气孔率
closed daylight最小开合间隔