中央美术学院油画系研修班人体素描 = Zhongyang meishu xueyuan youhuaxi yanxiuban renti sumiao Zhong yang mei shu xue yuan you hua xi yan xiu ban ren ti su miao = Zhongyang meishu xueyuan youhuaxi yanxiuban renti sumiaoDifei Jia2003PDF56 MBZH