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- seamless hollow ball bearing 无缝空心球轴承
- hollow ball bearing 空心球轴承
- THE INTERIOR IS THE COMBINATION AND BALL BEARING. 内部使用滚珠轴承之组合。
- Deep groove ball bearing is a bearing. 深沟球轴承是轴承的一种。
- A ball bearing had bounced off the submarine's hull. 潜艇船身上崩掉了一个滚珠轴承。
- Test Method for Low-Temperature Torque of Ball Bearing Greases (05. 滚珠轴承润滑脂的低温扭矩的试验方法(05。
- If you can imagine Jupiter as a hollow ball, all of the other planets would fit inside and there would still be a lot of room left. 你是否能想象木星如同一个空的球，那么把所有的其它行星都放到里面，它仍然还剩有许多空间。
- A body with the shape of a sphere, especially a representation of the earth in the form of a hollow ball. 球，球状物球体，球状物，尤指中空的球的形式的地球仪
- "Around 1900, due to the development of light industry, the ball was replaced by the hollow ball made of celluloid. 1900年左右，由于轻工业的发展，球才改成用赛璐珞制成的空心球。
- The 22mm diameter aluminum tail boom is lightweight, strong, and perhaps most importantly ? easy to replace (both physically AND financially.) The 10mm diameter hollow aluminum drive tube features dual ball bearing support. 铝合金板材直径的尾巴景气轻、强、或许是最重要的--易更换(肉体及财务).;直径10公厘的空心铝径筒特点支援双滚珠轴承
- Microcosmic space is the hollow ball that has limit，it is not the ball of Poincare conjecture. 微观空间是有界限的空心球，不是“庞加莱猜想”的球。
- Today, players use specially developed rubber coated wooden and carbon-fibre rackets and a lightweight, hollow ball. 而今天，球员们使用特制的球拍和重量特轻的空心球，球拍是用橡胶包裹的木板和碳纤维制成的。
- What's the object of using ball bearings? 使用滚珠轴承的目的何在?
- The hollow ball structure with divided segments made by punch press guarantees precision and quality,and(lowers) manufacture cost. 阀芯采用空心球体结构和分段冲压成形加工工艺,有效地保证了球体的加工精度和质量,降低了生产成本;
- The ball bearings reduce the friction on the joint. 滚珠可以减小结合处的摩擦。
- Ball bearing unit is with excellent running precision and easy re-greasing. 带座外球面轴承具有良好的旋转精度，可方便的再润滑。
- My first stop at NRL was a small windowless room containing the VirtuSphere, a nine-foot-high hollow ball made of sturdy perforated plastic. 我在NRL的第一站是一个没有窗户的小房间，里面架设了一颗约2.;5公尺高的空心球。
- One slecve and one ball bearing life expectance:30,000 hours minimum. 一个含油轴承和一个滚珠轴承预期寿命：至少30，000小时。
- Film Roll is held in place, top and bottom, with Ball Bearing Chucks. 薄膜卷固定在适当的位置，顶部和底部有滚动轴承夹头。
- In addition, a hollow ball structure is selected and the sectional stamping forming technology is employed to assure the high machining accuracy and low cost. 采用了空心球体结构和分段冲压成形加工工艺,有效地保证了球体的加工精度和质量,降低生产成本;
