?????????????

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

?????6??24????? ?,?????????6????24?????????????????10??????:

6??17????,????,????????????????????????200~400????,????????????500~713??????,6???????24???????????27?????????????,????????????????????????????,???,???????????????????????????,????,?????

6??24????????????????14???????????25????14?,????????????????????,??,?????????????,??????????????????????????????????(250~270????????)??(??20~50?????????????,???????70?),?????

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