Zhi ye gou tong jiao cheng

By Xiangyue Xu, Hongming Wu

Subjects: Jiao cai ., Ren ji guan xi xue

Description: Ben shu nei rong bao kuo : zhi ye gou tong gai shu ; shuo fu, ju jue yu chong tu chu li ; jiao tan ji qiao ; fei yu yan gou tong he gou tong li yi ; gong zuo zhong de gou tong ; shang wu tan pan deng.