“mechanical seal”概念、定义、翻译-科学时代

单词	mechanical seal
释义	化工词汇手册 mechanical seal 机械密封，端面密封
随便看	under strength understudy understudy rehearsal undersubscribed category under-subscription undersubscription undersubscription under supply undersupply undersupply undersupply under suspicion underswept underswing undertaker undertaker's gain undertaker's rent undertaking undertaking undertaking undertaking undertaking undertaking undertaking expenditure undertaking expenditure

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。