Through the experiments, the mixture ratio of cemented crushed stone backfilling materials was optimized.

通过试验, 优化了碎石胶结充填料配比.

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Hydro - stone consisted of a mixture of gravel , crushed stone , sand, and Portland cement molded under pressure.

是波特兰水泥(即普通水泥), 碎石和沙土的混合物在压力下形成的一种石料.

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Temporary access roads shall be protected by crushed stone or gravel in the course of construction.

在建造工程期间,临时通路须盖以碎石或砾石以作保护.

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

硝酸盐水泥能将混泥土里的沙石粘合在一起.

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Crushed stone, manufactured lightweight stone, and seashells are often used in lieu of mural gravel.

破碎的石头 、 人工制造的轻质石头和海贝,经常用来代替墙上的砾石.

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

硅酸盐水泥是可以将沙和碎石混合黏住的物质.

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

波特兰粘合剂是一种将沙子和碎石结合成混凝土的材料.

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The crushed stone cement base is a semi - rigid surface structure adopted widely at present.

水泥稳定碎石基层是目前被广泛采用的半刚性路面结构.

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