“concave bit”的概念、定义、翻译、参考文献-科学参考

单词	concave bit
释义	concave bit [`kän´kāv ´bit] ^{DESIGN ENGINEERING} A type of tungsten carbide drill bit having a concave cutting edge; used for percussive boring.
随便看	Sco-Cen association scolecite scolecodont Scolecosporae scolex Scoliidae Scolioidea scoliosis scolite scolop Scolopacidea Scolopendridae Scolopendromorpha scolophore scolopophore Scolytidae Scombridae Scombroidei scoop scoopfish scopa scope Scopeumatidae Scopidae scopolamine

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