stained soil suspersion preparation

例句：

1. 1. The stained soil suspension preparation is used to test the quality of the soil.
   染色土壤悬浮液制备用于测试土壤的质量。
2. 2. The stained soil suspension preparation was found to be effective in removing contaminants from the soil.
   染色土壤悬浮液制备被发现能有效从土壤中去除污染物。
3. 3.The stained soil suspension preparation was used to analyze the chemical composition of the soil.
   染色土壤悬浮液制备被用来分析土壤的化学成分。