“preparatory bombardment”的概念、定义、翻译、参考文献-科学参考

单词	preparatory bombardment
释义	preparatory bombardment 炮火准备
随便看	wagon drill wagon elevator wagon for spraying salt wagon gear wagon-headed dormer wagonhead vault wagon hopper wagon jack wagon load wagon loading elevator wagon mounted air drill wagon-mounted drill wagon number wagon retarder wagon roof wagon shaker wagon spout wagon tipper wagon top wagon train wagon truck wagon-type drier wagon-type spreader wagon vault wagon weighing machine

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。