“金属环”概念、定义、翻译-科学时代

单词	金属环
释义	请查阅环--金属环--金属箍
随便看	budget line budget line budget making budget-making budget management budget management budget manual budget office budget officer budget officer budget of the central government budget of undertaking expenditures budget performance budget period budget period budget policy budget policy budget practice budget presentation budget principle budget procedure budget proposal budget provision budget report budget request

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。