“grading system of asphalt”的概念、定义、翻译、参考文献-科学参考

单词	grading system of asphalt
释义	grading system of asphalt Encyclopedia 工学道路沥青释 grading system of asphalt沥青分级体系沥青作为一种化工产品，必须按照某个技术指标进行等级划分，以形成不同的标号，满足不同地区和工程的需要。
随便看	air pollution prevention and control of collection and distribution system for the ports air pollution prevention and control of two pollution control zones airport airport allocation planning airport automatic people mover airport aviation meteorological facility airport cargo area airport cargo warehouse airport clearance zone airport dedicated road airport depot airport economy airport electromagnetic environment airport electromagnetic environment protection airport engineering airport engineering survey airport environment airport express airport express transshipment center airport fuelling engineering airport ground transportation center airport integrated transportation system airport integrated transport hub airport layout planning airport master planning

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。