Analysises on Some Factors Which Impact the Asphaltum Mix and Quality.
浅析影响沥青混合料拌和质量的几个因素

Analysis of Modifying Polymer in the Modified Asphaltum Waterproof Membrane
改性沥青防水卷材中的改性聚合物的光谱分析

Research on Installation for Heating up Asphaltum with Remaining Heat of Tail Gas of Automobile
汽车尾气余热沥青加热装置的研究

Asphaltum is a brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing.
沥青，是一种黑褐色固体或半固体沥青混合物，采自天然矿藏或是石油的副产品，用于铺路，封屋顶和防水。