“secondary support”的概念、定义、翻译、参考文献-科学参考

单词	secondary support
释义	secondary support Encyclopedia 工学巷道支护释 secondary support二次支护井巷掘进中采用分次支护时，在一次支护完成后再次施工的支护。又称永久支护、后期支护。理学地下工程支护释 secondary support二次支护在初期支护稳定后完成的提供安全储备或承载后期围岩压力的支护形式。
随便看	city atlas city beautiful movement city beautiful movement in Kansas city city block city brand citybuster city center city central business district city, county bureau of education City-County Consolidation city-county merger city croupisolation green space City Development city disease City dwelling Soldiers and Farmers in Northern Wei Dynasty city ecological security baseline City Entertainment city environment color design city flower city gas application city gas pipeline network city gate city gate tower City God Temple of Jiexiu City God Temple of Sanyuan country

科学参考收录了854744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。