短语词组短語loess lime soil 黃土灰土Loess like soil 擬黃土loess -ancient soil 黃土古土壤系列loess salted soil 黃土狀鹽漬土;黃土狀鹽漬土的collapsible loess yellow soil 溼陷性黃土water -collapsible loess-soil 溼陷性大孔土 返回 loess soil