| | | 30 | | | | | | | | | | | 30 | 2.2 | 300 | | | | | 30 | | | 1981 1983 | | 1986 | | | 大杨树 | 1991 8 | | 30 | | | 200 | | | | | | 1996 4.23 | | | 7 | 7 70 | | | | | | | | | | | | | | 1987 5.6 | 95 4.16 96 | 4.23 | 60 | 4.17 | | | | | | | | | | | | | |