“rock bit for water well drilling rig”的概念、定义、翻译、参考文献-科学参考

单词	rock bit for water well drilling rig
释义	rock bit for water well drilling rig 打水井机凿岩钻头
随便看	centring mo(u)lding machine centring of diaphragm centring potentiometer centring ring centring roll(er) centring screw centring sleeve centring spigot centring spool centring spring centring spring case centring spring rod centring spring seat centring support centring system centring tongs centring wedge centriole centriole pinwheel centripetal centripetal acceleration centripetal differentiation centripetal drainage centripetal force centripetal movement

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。