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继1996年北京首都国际机场东跑道改造工程后,1997年北京市沥青混凝土厂又为北京东西长安街,白颐路修建工程生产了沥青玛(王帝)脂碎石混合料(SMA),对这种新型材料的特性和生产工艺有了初步认识。
Following the reconstruction of the east runway of Beijing Capital International Airport in 1996, Beijing Asphalt Concrete Plant produced asphaltenes (Wangdi) mortar mixture (SMA) for the construction of Chang’an Avenue and Baiyi Road in Beijing in 1997, This new material has a preliminary understanding of the characteristics and manufacturing processes.