“密封”概念、定义、翻译-科学时代

单词	密封
释义	交通运输工程词汇手册密封 pack-off; sealing
随便看	bay number Bay of Bengal Bay of Pigs（Incident） bay oil bay oil bayonet bayonet assault bayonet base bayonet cap bayonet charge bayonet disarming bayonet mount Bayonet-Neil-Concelman (BNC) bayonet standard bayonet-type bulb bayou bayou bayou bayou lake Bayreuth bay rum bay rum bay rum bay salt bay section

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。