您要查找的是不是：
- SCOKET BALL RETAINER 承座滚球扣件
- FZ Ball Retainer This is copper or aluminum or plastice based material, on which therollers are arranged oderly in certain angle and intervals. 该产品用钢球滚动原理，配上铜基、铝基或树脂为保持架，按一定的角度和密度有序地排列。采用最新沟槽圆周锁珠工艺，防止钢珠脱落。
- I changed from a standard stamped metal ball retainer to a high speed precision molded plastic one that could be removed by skaters to allow better cleaning of the bearing. 我从一个标准的打上的金属球家臣改变成为一个高速度精度铸造塑料一能被滑冰者移去允许对忍耐进行更好的清扫。
- For example, abstracting a leather soccer ball to a ball retains only the information on general ball attributes and behaviour. 比如，通过把“皮制足球”抽象成“球”，我们只保留了有关一般球类属性与行为的信息。
- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- 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。
- In cricket, the ball is delivered overarm. 打板球时，要举臂过肩掷球。
- Children love to ball snow up in their hands. 小孩子们喜欢将雪在手里做成球儿。
- 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。
- The pitcher tends to pitch the ball too high. 这个投球手常把球掷得过高。
- Smith tied into the ball for a home run. 史密斯猛击球取得本垒打。
- He swiped at the ball and missed it. 他向球猛击，但未打中。
- The ball hit the wall and bounced off it. 球打在墙上又反弹回来。
- The ball is filled with gaseous mixture. 那个球充满了气体混合物。
- Her arrival had just been announced by the faithful retainer. 她的忠仆已刚宣布了她的到来。
- I cut up the meat for cooking meat ball. 我把肉剁碎后做肉丸子。
- He fumbled the ball and then dropped it. 他笨手笨脚的漏接了球。
- He hit the tennis ball over the net. 他把网球打过了网。
