中沥青 meaning in Chinese

medium pitch

Testing of asphalt ; preparation of bituminous mixtures in laboratory
沥青检验.试验室中沥青混合物的制备
Stationary source emission . determination of asphaltic smoke . gravimetric method
固定污染源排气中沥青烟的测定.重量法
Standard test method for solubility of asphalt materials in trichloroethylene
三氯乙烯中沥青材料溶解性的标准试验方法
Reasonable dosage of modifiers for modified asphalt pavement of ji - mu freeway
鸡牡公路改性中沥青路面改性剂量的合理确定
Standard test method for asphalt content of hot - mix asphalt by ignition method
用点火法测量热混沥青中沥青含量的标准试验方法

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