短語詞組短語soil mixture sample 土壤混合樣spherical soil -sample 圓球土樣soil composite sample 土壤混合樣品soil profile sample 土壤剖面樣品soil direct sample introduction 土壤直接進(jìn)樣soil solution sample preparation 試樣制備soil standard sample 土壤標(biāo)準(zhǔn)樣品undisturbed soil sample [土壤]原狀土樣;不擾動(dòng)土樣soil sample from Mongolia 蒙古國土樣Soil sample undisturbed 原狀土樣 返回 soil sample