“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	Letronne crater let some people get rich first Let's Shake It Let's Talk letter letter-by-letter encoding lettered-words letter for the publication of a book with a writer Letter from Jiang Zhuyun to Tan Zhu'an letter from King George Ⅲ of England to Emperor Qianlong Letter from Marx to Editor of the Otecestvenniye Zapisky lettering of chart Letter of Attorney of the League of Nations Entrusting France to Rule Togo letter of credence Letter on the Blind for the Use of Those Who Can See letterpress letterpress printing letter quality letters express item letters of Junius Letters of the Central Plains Letters on New Literature letter sorting machine Letters Sent to Paradise letter string

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