?? ???5.0????????????
????:1????????VX:??????
2????????????
3????????????
4??????????
5?????600?????
???10???14?? (???????? ???)?,14???21???17??????????,?????5.0???????????????????
???24.2??????????121.84??,??31.8???;?????20.5????????????????
?????????:?????4??,????3??????,???????????????????????????????????2??,??????????????1??????????????????????????
???,??4.1???
?,???????????
??,?????????????????????
?,????
?,?19?????20???,?????4.4??????(?) ??:????