cement and tailings sand mixture 水泥尾矿砂混合料
Concrete is a mixture of sand and cement.
混凝土是沙和水泥的混合物。
A pile of sand is loose, but it and cement, gravel, water mixture, than the granite also tough.
一堆沙子是松散的，可是它和水泥、石子、水混合后，比花岗岩还坚韧。
The design of the mixture ratio of the cement stabilized sand and gravel is one of the critical links to ensure the whole quality of the asphalt pavement on semirigid base course.
水泥稳定砂砾混合料的配合比是保证半刚性基层沥青路面整体质量的关键环节。
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