“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	long-distance needle drilling equipment long distance orienteering long distance pipeline long-distance short call long distance transmission hot water network long-distance transport long division long-division symbol longdong coalfield Longdong Folk Custom Museum Longdong grottoes Longdong Yangge long drum of Yao nationality Long Duration Exposure Facility long-eared jerboa longer-lived longest-distance method longest increasing scattered longest increasing subsequence longest path longest prefix match longest remaining service time longest service time longevity longevity area

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。