“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	road of nationwide fitness road on saline zone road on soft clay ground road parking road passenger transportation road passenger transport terminal road pavement cleaning equipment road pavement structure health monitoring system road plane crossing facilities road plane design road planting road pricing road profile design road protection forest road protection greenbelt road race of Summer Paralympics road reconstruction and expansion road safety road section design Road service level roadside clearance roadside infrastructure roadside intelligent management and control facilities roadside parking fee collection roadside structure of railway

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