如果要在一个不好的地基上建造道路，可能要通过挖掘来去除潮湿、有机或其他不合适的物质，也可能要用水泥与土混合料或者地质纺织面料进行处理。

If a path is constructed over a poor sub-grade, excavation to remove wet, organic or otherwise unsuitable material, treatment with soil-cement or application of a geotextile fabric may be required.

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这种护坡的材料由土、水和水泥混合而成。水泥占干土重的7～15%，用砂壤土或砾质土与水泥拌和。

The material is a mixture of soil, water, and cement. cement is 7~15 percent the weight of dry materials mixed with sandy loam or gravel soil. water added is 10% or so.

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