“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	Emperor Wudi of Song Dynasty Emperor Wudi of Wei Dynasty Emperor Wu of Liang emperor WuXin Gao JiXing of Nan Ping Emperor Wuzong of Tang Dynasty Emperor Xiangzong of Western Xia Dynasty Emperor Xian of Han Dynasty Emperor XianWen of Northern Wei Dynasty Emperor Xianzong Celebrates the Lantern Festival Emperor Xianzong of Ming Dynasty Emperor Xianzong of Tang Dynasty Emperor Xianzong of Western Xia Dynasty Emperor XiaoMing of Northern Wei Dynasty Emperor Xiaowen of Northern Wei Emperor Xiaowudi of Liu Song Dynasty Emperor Xiaowu in Northern Wei Emperor Xiaowu of Liu Song Emperor Xiaozhao of Northern Qi Emperor Xiaozong of Southern Song Dynasty Emperor Xizong of Jin Dynasty Emperor Xizong of Ming Dynasty Emperor Xizong of Tang Dynasty Emperor Xuandi of Chen Dynasty Emperor Xuandi of Han Dynasty Emperor Xuandi of Northern Qi Dynasty

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