Pu tong wu li xue/. Di yi ce. Pu tong wu li xue/. Di er ce. Pu tong wu li xue/. Di san ce. Pu tong wu li xue/. Xia. Pu tong wu li xue/. 4. Ji ben wu li xue/. Shang ce. Pu tong zhi wu xue/. Xia ce. Tong ji li xue/. Xia ce. Pu tong zhi wu xue/. Shang ce. You ji hua xue/. Di yi ce.