| 包头 | | | | | | | | | 307 | | | | | | | | 2005 | | | | | | | | | | 20 50 | | | 18 | 64 | 10 3.6 | | 360 | | | | | 20 | | 220 | | | 80% | 41% | | | | | | | | | | | | | | | | | |