“be prepared against natural disasters”的概念、定义、翻译、参考文献-科学参考

单词	be prepared against natural disasters
释义	be prepared against natural disasters 备荒
随便看	weld ripple weld root weld root opening gap weld root reinforcement weld rotation weld seam pipe weld shape weld shielding weld-shrunk cylinder weld-shrunk multilayered cylinder weld slope weld spacing weld strain weld strength welds types weld surface weld swell weld thermal cycle weld thickness weld-throat thickness depth weld time weld toxic gases weld trimmer weld up weld wheel conditioner

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。