“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	Harlan crater Harlem Renaissance Harlequinade Opera harlequin bat Harlequin Enterprises Limited harlequin glorybower Harley Earl Harley Granville Barker Harlow Shapley harmaline Harm and Benefit in Materia Medica Harman-Seaton sequence Harmattan H-armature harm degree of environmental geological problems harmel peganum harmful air pollutants harmful algal blooms harmful composition harmful consequences harmful elements of plants harmful food additives harmful gas harmful gases in military artificial environments harmful gases in swine building

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