铺顶沥青;
Study on the Feed of Roofing Asphalt 10 Building Site
10号建筑沥青的原料开发研究
A new process for producing roofing asphalt by steam cracking and condensation
建筑沥青生产新工艺&渣油过热水蒸汽裂解缩合
A new process for producing roofing asphalt from petroleum residua by steam cracking and condensation has been studied in the laboratory.
在实验室中研究了一种从石油残渣油制取建筑沥青的新工艺&水蒸汽裂解缩合。
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