“垫层”的概念、定义、翻译、参考文献-科学参考

单词	垫层
释义	垫层 Encyclopedia 工学公路路面释 bed course垫层设于路基顶面，用于改善路基水温条件和路基刚度等的功能层。
随便看	straight fan straight fertilizer straight filament straightforward straightforward calculation straight helicoid straight knife cutting machine straight line straight-line arithmetic program straight line composition straight-line direction straight-line linkage straight-line method straight line motion straight-line representation straight-line segment straightness straightness artefact straightness measurement straight photography straight pile position survey straight polyomino straight ramp development straight river Straight Road of Qin Dynasty

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。