Title: Ji ceng dang zu zhi gong zuo zen me zuo
Description: Ben shu nei rong bao kuo:dang de ji ceng zu zhi jian she gong zuo, Dang de ji ceng zu zhi huan jie xuan ju gong zuo, Fa zhan dang yuan gong zuo, Dang yuan jiao yu guan li gong zuo, Ji ceng dang zu zhi qi ta gong zuo.
Subjects: Gong zuo, Zhong guo gong chan dang, Ji ceng zu zhi