“four-roller bit”的概念、定义、翻译、参考文献-科学参考

单词	four-roller bit
释义	four-roller bit 四牙轮钻头
随便看	bearing ga(u)ge bearing grease bearing groove bearing guard bearing habit bearing holder (housing, cover) bearing housing (box) bearing hub bearing indicator bearing inner race bearing inner spacer bearing in pump bearing in reduction gears bearing insert bearing in shell bearing installing tool bearing insulation bearing interest bearing journal bearing labyrinth bearing line bearing liner bearing lining bearing lip bearing load

科学参考收录了1248194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。