片语
soil quality investigation土质调查
soil survey[土壤] 土壤调查;土壤甸;土质调查
soil fertility investigation土壤肥力研究
contaminated soil foundation investigation污染土地基勘察
salty soil foundation investigation盐渍土地基勘察
artificial soil foundation investigation人工填土地基勘察
frozen soil foundation investigation冻土地基勘察
soil erosion investigation水土流失调查
soil pollution investigation土壤污染调查
red soil resource investigation红壤资源调查