????:1?????vx:?????????

2?cq??

3??????VX

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

5?????

?????7?1???? ?,????,?????????????????????????????????????????????????????????????????7?3?????,?????????????,?,????????????????????????????????????????

????

??

?????,?????????????????????????????????????????????,?(250????????)??????,?????????????????????????????????????????????????????????????????????????????????,???(100~115??)?????30~60????,?????????????80~95?????

????

????

7????1?????????2??,????????????????????????????????,?,??,???????

????,7?1???????????8???????2?8?,????????????????????????????????????????????????,???????????,????????????????????????,??????????????(250~260????)???(????????20~50?????,?????????80??),?????????????????????????????????7??1?????????????06?????

?????(7?????1???????????????8???????????-7????2??8?)

7?3?,?????????4????8??,????????????????????????,?????

??

??????????,?,???????7?1???08?????????????2????08?,???????????????????????????8??????;??????????20???????7?1?????????????06?????????????????????

?????2 ??(7??1???????8??????????-7?2????????????????????????8?)  

?????

7?????1??8?2??????????8??????,???????????????????????????????????????????????????????????????,??,??????????????????????,???(250~260??)??4~6??

?(7?????1????8?-2???????????????????????8?)  

7???????2?????????8??????3??????????8??,???????????????????????????????????????????????????????????????????????,??,?????????(100~180??)?????????????????4~6??????????????????????????

??4 ???????(7????2????8????????????????-3??????8???????)  

7?3????????????????8?????????4?8?,???????????????????????????????????????????,??,???????????????????(50~90?????????????)????????4~6??

??5 ??(7?3?8??-4??8????????)   ????????????:???