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ball bearing

Related topics: Technology, 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
ˌball ˈbearing noun
Chinese
Syllable
Corpus

See also: ball bearing

ball bearing

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