“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	Freedom for Us freedom of assembly and association freedom of communication freedom of contract freedom of cultural activities freedom of information Freedom of Information Act freedom of press freedom of procession and demonstration freedom of religious belief freedom of speech freedom of strike Freedom of the People freedom of will Freedom Ride freedoms of the air freedom to gain economic benefits Freedom Torchlight Parade free Dyck path free education system for normal school student Free Election free electron free electron approximation free electron gas free electron laser

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。