短语词组短語sand stone soil 砂巖土壤sand layer soil 夾砂層土躰搆型sand desert soil 砂質漠壤土;砂質漠境土saturated sand and soil 飽和砂土sand and soil liquefaction 砂土液化Sand beach soil 沙灘地sand loam soil 砂壤土sand and soil base 砂土地基sand pebble soil 砂卵石土 返回 sand soil