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单词 roller bit
释义

roller bit


Thesaurus
Noun1.roller bit - a drill bit that has hardened rotating rollersrock bitdrill 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：2026/7/9 8:43:15