cement and lime ash gravel
cement and lime ash gravel
水泥和石灰灰砾石
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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To study the improvement of high liquid limit clay in south area of Hunan province for highway embankment, lime, fly ash, cement, lime and fly ash, sand and gravel were used as improvement reagents.
为了对湘南高液限粘土进行路用填料改良研究，分别对其进行了石灰、粉煤灰、水泥、石灰加粉煤灰以及砂砾的改良试验。
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