core-bit

英['kɔːrb'ɪt] 美['kɔːrb'ɪt]
  • n.能取岩芯的钻头;钻心
  • cor abbr.转动中心(=centerofrotation)abbr.角落(=corner)
  • cor- 一同,合并
  • Cor-gel 一种心电电极膏
  • Cor-pulmonale 肺源性心脏病
  • Cor-Ten n.低合金高强度钢
名词 core bit:
  1. a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken