“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	unary extension unary object unary operation unary operator unary predicate unary relation unaspirated sound unaspirated voiceless initials unassigned imperial clan unassigned reading frame unattainability unattainable unattainable vertex unattended unattenuated unauthorized agency unavailability unavoidability unavoidable unavoidable ion unavoidable set unbacked film unbaffled throughput unbalance unbalanced

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