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annular ball baring 径向球轴承
There are double seals for ball baring unit and it is normally pre-greased for working in the condition of dust, slob and causticity. 带座外球面轴承一般为预填装润滑脂，采用双层密封形式，适合在粉尘、泥水、腐蚀性介质的场合内使用，利于主机工作。
If you ever worked in a factory you know it expands. That is how we put on ball barings. 一个金属环被加热后，其内径是增大还是缩小？
The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
The first 45 minutes, Bremen will be restricted free kick into the other side, Bayern goalkeeper Lunxin ball barely saved, but the follow-up Naldo Bushe nets. 第45分钟，不来梅将任意球传入对方禁区，拜仁门将伦辛勉强扑出皮球，但跟进的纳尔多补射破网。
The path leads to a hill bare of vegetation. 这条小道通向一座没有草木的小山。
Just give us the bare facts of the case. 你只要向我们提供案件最低限度的事实真相就行。
Fred eked out a bare living by farming. 弗雷德靠种田勉强度日。
He earns a bare living by his work. 他工作收入仅够维持生活。
He singled and went to second on a passed ball. 他击出一垒打，再因对方漏接而跑上二垒。
We have pared down our expenses to a bare minimum. 我们已最大限度地削减了开支。
In cricket, the ball is delivered overarm. 打板球时，要举臂过肩掷球。
He earned a bare living at that time. 那时他过着穷困的日子。
The fierce sun parched the bare earth. 灼热的阳光炙烤着光秃秃的大地。
Children love to ball snow up in their hands. 小孩子们喜欢将雪在手里做成球儿。
Such are the bare bones of the plot. 这些就是情节的梗概。
He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
She came out of her room equipped for the ball. 她盛装从房里出来预备到跳舞会去。
The loss of the ball game stir up much feeling. 球赛输了引起了极大的愤慨。
It was reported that there would be an annular eclipse tomorrow. 据报道说，明天有日环食。