“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	treadle loom treadle-operated multiple spindle-wheel treadmilling treasure floral medallion Treasure Island treasury bill Treasury of Atreus Treasury of the French Language Treasury of Words on the Materia Medica treasury single account system TREAT Treaties between Beja and Egypt treaties concerning the protection of the cultural and natural heritage Treaties of Brest-Litovsk Treaties of Hue treaties of mediation of conflicts between Nigerian chiefdoms Treaties of Paris（1814，1815） Treaties of Tianjin Treaties of Tilsit treaties on the marine fishery resources protection treaties on the prevention and control of nuclear pollution treaties on the protection of the marine environment treaties on the safe use and environmental management of chemicals treating both manifestation and root causes disease treating cold syndrome with heat methods

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