“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	contracted product contracted pupil contracted tensor contract ethics contract farming contract for brokerage contract for commission contract for construction project contract for donation contract for financial lease contract for intermediation contract for lease contract for loans contract for publication of books contract for service contract for storage contract for the assignment of the right of the use of the state-owned land contract for transportation contract for warebousing contract governance contract hire system of agricultural machines contractibility contractible contractible Banach algebra contractible complex

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