sludge-amended soil
sludge-amended土壤
以上为机器翻译结果，长、整句建议使用 人工翻译 。
To study the water-holding capacities of desert soil and the soil amended with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation.
本文通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发，研究了粉煤灰和城市污泥改良荒漠土壤对持水性能的影响。
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