“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	Risto Tapani Ahti RI system RIT Rita Dove Rita Hayworth Rita Levi-Montalcini Ri Tan Ritchey-Chretien optics Ritchey-Chretien system Ritchey-Chretien telescope rite of passage rites and arts rites are not applied to civilians,laws are not applied to noblemen rites,just,integrity and sense of honor rites of passage Rites of Zhou Dynasty Rites of Zhou Dynasty,block-printed edition by Tang's House at Wuzhou's Shimenxiang,Song Dynasty ritornello ritornello form RITS RITSC Ritsu-ryō system Ritt Ritt basis theorem Ritter

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