                                                                                                   2703      2000                    269048       1055       2053    1998     2   19   3                                                               1750        1912         1990                                             1300                                                                      4.5～4  7 ℃        180～400      115～150         136                                            2000       149028                   53245.3      2000         22.61         11.92                                                                              2000          127181.6                                                                                                                                           