????:1??????????:???????????

2????????????

3?????VX

4?????????????

5???????

??????????9????????28? (?? ?????)??28??,?,?????????????????????????????

??24?????????????

??9??28??15??????50??:9??28????20?????29?20??,??????????????3????????(?50~80?),????(?120~150????????????),??????30~60?,???

?????

??9?28?15?40?,????????????????,9?28?20??10??1?20?,??,??7-9?,???????????????????????????????????????9??????10???

????????

????????28??15??30?:29??????08??30??????????????08??,??,??????????????????????????????????????????????????8????????????????????????4??5-7??,?8?????????(??)

?????????:???????????