短語詞組短語soil texture classification [土壤]土壤質地分類Soil texture class 土壤質地組別soil texture index WESTBANK 土壤組織指數(shù)soil texture WESTBANK 土攘組織Soil texture type distribution 土壤質地類型分布soil texture roadbed 土質路基soil structure and texture 土的結構和構造soil texture index 土壤組織指數(shù)red soil texture 紅壤質地 返回 soil texture