Title: Ou zhou qi huo jiao yi suo li lü yan sheng chan pin jiao yi ce lüe
Description: Gai shu xiang xi jie shao le zai ou zhou qi huo jiao yi suo li jiao yi de li lü yan sheng chan pin, Bing gen ju ta men de bu tong te zheng yi ji shi chang qing kuang de bu duan bian hua, Fen xi le xiang ying jiao yi ce lüe de ying kui qing kuang.
Subjects: Li xi lü, Qi huo jiao yi, Yan jiu
Places: Ou zhou