“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	cellulosic resin cell wall celo Celor lens system celsian Celsius degree Celsius temperature scale Celyphidae cement cementation cementation factor cementation sinking cement bond cement-bond survey cement brick cement carrier cement channeling cement copper cemented carbide cemented lens cement gland cement gravel cement gun cementing basket cement injector

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。