openingn.开口;开始;张开;开幕;空缺adj.开头的动词open的现在分词.
opening shop自由雇佣制
opening menu开始菜单
opening file打开文件
opening type开放型
opening card解毛机
opening eyes瞋
opening view开放的视野
opening coil断路线圈
opening area开口面积
opening arcs开口弧段