“road reconstruction and expansion”的概念、定义、翻译、参考文献-科学参考

单词	road reconstruction and expansion
释义	road reconstruction and expansion Encyclopedia 工学道路养护释 road reconstruction and expansion道路改扩建当原有道路设施的服务能力或水平无法满足使用需求时，利用原有道路资源，通过拓宽、改造等方式，实现道路等级或规模的提升，以提高道路服务水平、通行能力及安全性的工程建设行为。
随便看	elementary syntax elementary system elementary theory elementary theory of numbers elementary tissue elementary tone elementary topological Abelian group elementary topology elementary topos elementary transcendental function elementary transformation elementary transformation of a matrix elementary translation elementary unit elementary variation elementary vocational education elementary volume elementary wave elementary work element at infinity element bioavailability analysis for geochemical samples Element comparison method element composition of crude oil element concentration element concentration gradient

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。