大家都搜:
旋转球
1、catch balls───接球
2、rotating───adj.旋转的;v.旋转,转动;轮流,轮值;轮作,换茬(rotate的现在分词)
3、balls───n.(Balls)人名;(英)鲍尔斯;n.球(ball的复数);v.把…捏成球状(ball的第三人称单数)
4、rotating chair───[医]旋转椅子
5、rotating earth───旋转地球
6、rotating sphere───转动球;旋转球
7、eleven balls───十一个球
8、rotating shift───轮流换班
9、rotating banana───旋转香蕉
1、A friction-reducing bearing consisting essentially of a ring-shaped track containing freely revolving hard metal balls against which a rotating shaft or other part turns.───一种减少磨擦的轴承,主要由包括可自由旋转的硬金属珠的环状轨道构成,转动轴或其他部件因撞碰金属珠而转动。