“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	float bowl float chamber float coal float collar float control float-cut file floater float finish float gage float glass floating floating action floating address floating aid floating arithmetic floating axle floating battery floating block floating carrier modulation floating charge floating chase floating control floating crane floating-decimal arithmetic floating dock

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