“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	electric double refraction electric doublet electric drift Electric Drive electric drive electric drive control electric drive for diesel locomotive electric drive of urban trolleybus electric drive system of centralized power train electric drive system of metro vehicles electric drive truck electric drive vehicle of urban rail transit electric dynamometer electric energy electric energy forecasting electric energy measurement electric energy measuring technology electric energy storage heating electric equilibrium electric equipment of rural power networks electric fence electric field [electric] field breakdown electric field breakdown electric field drift

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。