| 单词 | ball bearing |
| 释义 | ball bearingTechnology, Mechanical ˌball ˈbearing noun [countableC] 1. Tan arrangement of small metal balls that move in a ring, to make a part inside a machine turn more easily 滚珠轴承 2. Tone of these metal balls 滚珠 Examples from the Corpus ball bearing• In the first system the rotation of the mouse's wheels or ball bearing are transferred to rollers. |
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