短語詞組短語parent t material 母質(zhì)parent soil material 土壤母質(zhì)parent skeleton material 水泥瀝青混合料parent material horizon [土壤]母質(zhì)層parent material erosion 母質(zhì)侵蝕parent material orchard 母本園loess parent material 黃土母質(zhì)sedimentary parent material 沉積母質(zhì)purple parent material 紫色母質(zhì) 返回 parent material