短語詞組短語A DEMARCATION LINE 分水嶺symmetry demarcation line 對稱軸線military demarcation line detail 軍事分界線legal demarcation line 合法界限invisible demarcation line 無形界限railway line demarcation line 鐵道線sea land demarcation line 海陸分界線of demarcation line 翻譯demarcation line cycle 分界線環(huán) 返回 demarcation line