| · | | ⑴ | | | | | | | | | | | ⑵ | 4.08 134.8 | 4.33 5.2 3. | 91 4.13 4.97 | 520 740 | 200 300 8 | 15 | 20 30 5 6 | 100 180 | 250 300 | 1950 | | | 300 | 1955 7 | 250 | | | | | | | 30 | 17 20 | 30 | 1977 | 1000 1 | 25 1 27 | 1600 2 28 | 2 32 | | ⑶ | | | | | | | | ⑷ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |