请输入您要查询的英文单词:
单词
roller bearing
释义
roller bearing
noun
:
a bearing in which the journal rotates in peripheral contact with a number of rollers usually contained in a cage
— compare ball bearing
[
roller bearing:
1
outer race,
2
cage,
3
roller,
4
inner race
]
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更新时间:2025/7/30 4:14:46