“bit drag”的概念、定义、翻译、参考文献-科学参考

单词	bit drag
释义	bit drag [`bit ´drag] ^{DESIGN ENGINEERING} A rotary-drilling bit that has serrated teeth. Also known as drag bit.
随便看	gaseous conduction analyzer gaseous diffusion gaseous diffusion plant gaseous diffusion process gaseous fuel gaseous nebulae gas etching gas explosion gas field gas-filled cable gas-filled diode gas-filled porosity gas-filled radiation counter gas-filled rectifier gas-filled thermometer gas-filled triode gas filter gas-flame brazing gas floor gas-flow counter tube hatch beam hatch carlings hatch coaming hatch cover hatch end beam

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。