“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	Agricultural Water Management agricultural water pollution agricultural water price agricultural water productivity agricultural water resources agricultural water use agricultural weather forecast agricultural wind energy resources agricultural wireless sensor network agricultural worker agricultural working time agricultural zone Agriculture and industrialization agriculture as the foundation of the national economy agriculture census agriculture commune agriculture company supply chain management agriculture economic history of Ancient Egypt agriculture economic history of Ancient Greece agriculture economic history of ancient India agriculture economic history of Mesopotamia agriculture economics agriculture economy of France in modern times agriculture economy of the West Europe in middle ages agriculture futures

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。