“定期维修”概念、定义、翻译-科学时代

单词	定期维修
释义	航空航天词汇手册 periodic maintenance 定期维修
随便看	ear tag earth earth earth earth earth earth earth earth earth acquisition earth albedo earth albedo earth angle earth-approaching asteroid earth-approaching comet earth-approaching object earth art earth aspect infrared detector earth-atmosphere system radiation budget earth attraction earth axis earth ball earth bank earth bar earth-based interferometer

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。

periodic maintenance