| | | | 4 | | | | | | | | | | | | | | | Ⅲ Ⅱ | | | | | | | | | | | | | | | | | | 6 | 2 | | | 1500 1. 5 | | | | 9 1880 630 | 840 | 2000 | 2500 | 900 | 21 | | | 2 | 16 ℃ | | | 3 | 23 | | | | 3 | 18 ℃ |