“二次支护”的概念、定义、翻译、参考文献-科学参考

单词	二次支护
释义	二次支护 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	exarch Exarchate of Cartage exbibyte 260 excavated instruments from the tomb of Marquis Yi of Zeng excavated soil excavating machinery excavation and disposal treatment excavation blasting of underground cavern Excavation of the Tomb of Shedihuiluo of the Northern Qi Dynasty excavation of underground powerhouse excavation with track equipment excavation with trackless equipment excavation work excavator exceedance exceeding excellence in four regards Excellence in Public Relations and Communication Management excellency initiative excellent Excellent Journalism Award excellent local ring excellent parabolic representation excellent ring excenter

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。