The oil shale can be used as construction materials, such as high grade cement filler, light concrete bone material-pottery grain and light brick materials, etc.
油页岩渣可用作建筑材料，如高档水泥填料、轻质混凝土骨料陶粒及轻质砖材料等；
The oil shale can be used as construction materials, such as high grade cement filler, light concrete bone material-pottery grain and light brick materials, etc.
油页岩渣可用作建筑材料，如高档水泥填料、轻质混凝土骨料陶粒及轻质砖材料等；
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