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单词
roller bit
释义
roller bit
Thesaurus
Noun
1.
roller bit
- a drill bit that has hardened rotating rollers
rock bit
drill bit, drilling bit - a bit used in drilling for oil
roller bit
roller bit
[
′rō·lər ‚bit
]
(mechanical engineering)
cone rock bit
roller bit
Related to roller bit: Roller cone bit
noun
Synonyms for roller bit
noun
a drill bit that has hardened rotating rollers
Synonyms
rock bit
Related Words
drill bit
drilling bit
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更新时间：2026/1/13 10:02:02