“砾石道碴”的概念、定义、翻译、参考文献-科学参考

单词	砾石道碴
释义	砾石道碴 gravel ballast(ing)
随便看	knife height knife-holder knife holder ship knife lever knife line attack knife-line corrosion knife machine knife mill knife of switch knife pass knife plane knife plate knife pressure knifer knife reaper file knife register knife-repair anvil knife rest knife-roller gin knife roller gin knife saw knife seal knife section knife-shaped coin knife-shaped lightning arrester

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。