This company was founded in 2000. Main management product sand cement sale work. Welcome the outstanding person from all walks of life to join.

此公司成立于2000年。主要经营产品沙子水泥销售工作。欢迎各界精英加入。

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The influence of different superplasticizers on drying shrinkage of mortar with the same water cement ratio and same sand cement ratio was investigated in this article.

通过试验研究了几种类型的高效减水剂在同样水灰比和砂灰比的情况下对砂浆干燥收缩性能的影响。

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Concrete is a mixture of sand and cement.

混凝土是沙和水泥的混合物。

《牛津词典》

Portland cement is a material that holds together the sand and crushed stone in concrete.

VOA: special.2009.12.01

When that happens, and a sinkhole threat has been established, crews can pump a thick grout a mixture of sand and cement into the ground to fill the holes.

NPR: Work Continues, Future Uncertain For Sinkhole Site

This process of combining of water, cement paste, sand and rock creates an awful lot of CO2 gases - which are linked by some scientists to global warming - about five to 10% of the world's total emissions.

BBC: By Ian Hardy

That includes aggregates, sand, concrete, asphalt and cement.

BBC: UK economy: Two views of the recession