closed in封闭, 包围
closedadj.关闭的;封闭的;停业的动词close的过去式和过去分词.
closed ideals闭理想
closed centre中立关闭(阀)
closed heater封闭加热器
closed course封闭式赛车道
closed market封闭市场
closed colour颜色不超出所画物体的周线(区别于
closed volume闭合气容量
closed injury闭合性损伤
closed ribbon封闭的带子
Closed cavity封闭腔