A wall is only as good as its foundation, and all retaining walls should be built on structurally sound, compacted foundation sub-base material.
墙只是作为一个良好的基础，而应建立在所有挡土墙结构健全，基础压分的物质基础。
This paper analyses quality control and construction of cement bound granular material base and material of sub base construction in its process of mixing, spreading, pressing and maintenance.
本文重点介绍了水泥稳定粒料基层、底基层施工中的材料、拌制、摊铺、碾压、养生等环节的施工及质量控制。
Non-cohere granular stone is widely used as a kind of material of road pavements, and it's also widely used in base or sub-base of flexible road surface in overseas by now.
无粘结粒料是一种应用广泛的路面材料，至今仍然广泛用于国外柔性路面的基层和底基层。
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