短語詞組短語planation surfaces 夷平麪lateral planation 旁夷作用;側夷作用Tea Planation 茶葉種植園denudation planation 剝蝕夷平cyclic planation 鏇廻均夷作用poplar planation 楊樹人工林freezing planation 寒凍夷平autocratic planation 獨家田莊 返回 planation