Tu shuo jing ji xue

By Huang you niu

Subjects: Jing ji xue, Tong su du wu .

Description: Ben shu yong tong su yi dong de xu shu yu yan jiang shu jing ji xue de fa zhan li shi,Ji lu jing ji xue da shi de ren sheng li cheng,Chan shi jing ji xue de zhi yao li lun.