“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	implosion heating implosive imply imponderability imponderable imporosity imporous import importance importance measure importance measures importance of a flare importance of solar flare importance sampling importance sampling method importance value import and export import and export flow measurement import and export food inspection import and export licensing system for agricultural products import and export of Chinese books and periodicals import and export of goods import and export of services import and export price index import and export quotas for agricultural products

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