“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	optical character reader, OCR optical character reader,OCR optical character recognition optical Chinese character recognition optical chip optical chromatography optical circuit switching，OCS optical circulator optical clock optical coating optical coatings optical code division switching，OCDS optical coherence tomography optical coherence tomography, OCT optical coherent communication system optical coherent transient effect optical collimator optical communication optical compensation optical compensation type length measuring machine optical compensation zoom lens optical component optical component tester optical computer optical computing

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