annular ball bearing英 [ˈænjələ(r) bɔːl ˈbeərɪŋ]美 [ˈænjələr bɔːl ˈberɪŋ]径向(滚珠)轴承机械双语例句Parameter design on three dimensional annular ball bearing based on AutoCADAutoCAD中三维深沟球轴承的参数化设计