Oil sands consist of clay, sand, and other minerals, coated in water and thick, viscous oil called bitumen (or asphalt).
油砂包含有粘土、沙子和其它矿物，由水和粘稠的沥青把它们混合在一起。
2
In this paper, based on systematic test on different bitumen mixtures of gradation, the deformation behaviour of asphalt mixtures is analyzed under high temperature.
本文通过对不同级配形式的沥青混合料的系统试验研究，全面分析了沥青混合料高温变形特性。
3
The foam bitumen and asphalt recycling scrap basic principles and practices of major applications, as well as features in the application process are introduced.