求翻译：4.水泥土中的原状泥土，一般情况，所挖掘的坝堤土是粘土，亚粘土或砂土，亚砂土，粉土皆可经搅拌均匀后即可回填。当有少量粒径大于5cm的碎石经过筛分后也可回填。若坝堤土质较差，含石量大于10%且大粒径石头（大于5cm）又较多，碎石有尖角容易刺破塑料薄膜，破坏防水层，采用垂直铺塑帷幕施工方法是不合适的。建议采用其它施工工艺。是什么意思？

4. the undisturbed soil of cement-soil, in General, the mining of dam soils are clay, loam or sand, loam, after mixing, the silt can be backfilled. When there is a small amount of gravel after screening of size greater than 5cm or backfill. If dam poor soil, stone weight greater than 10% and large s

4) water in the soil, and the general situation in the status quo ante, the soil excavation of earth embankment dam is clay, the clay or sand, soil, sand, and powder may be after the Stir evenly backfilling. When there is a small particle size larger than 5 cm of rubble, they may also be backfilling

4. the undisturbed soil of cement-soil, in General, the mining of dam soils are clay, loam or sand, loam, after mixing, the silt can be backfilled. When%2