Title: Shang ye bao xian yuan li yu shi wu
Description: Ben shu fen san pian:di yi pian bao kuo san ge zhang jie,Jie shao le shang ye bao xian de ji ben zhi shi;Di er pian zhu yao jie shao le shang ye bao xian chan pin de xiang guan zhi shi,Bao kuo ding jia,Tiao kuan deng fang mian de nei rong,Bing xuan qu le yi xie dai biao xing de chan pin jin xing le jie shao;Di san pian zhu yao jie shao shang ye bao xian shi chang,Zhu yao cong shi chang zhu ti jiao du jin xing le yan jiu,Bao kuo shi chang gong ji fang,Xu qiu fang,Zhong jie ji jian guan zhe.
Subjects: Bao xian, Shang ye, Yan jiu