短語詞組短語Soil Subgrade Slope 土質(zhì)路基邊坡expansive soil reservoir slope 膨脹土岸坡soil side slope 土質(zhì)邊坡homogenous soil -slope 均質(zhì)土坡expansive soil cut slope 膨脹土塹坡soil masses slope 土質(zhì)邊坡soil bank slope 土質(zhì)岸坡expansive soil cutting slope 膨脹土路塹邊坡Red soil erosion slope 紅壤 返回 soil slope