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

????:??????????:???150?????

???????10???????6?????? ????????,??????,?????????????????,????????????????????;6????7?,??,???

??

6??-7?,??????????????,????????????????????????????????3~6?,??????????????????8?,????,????????,??????????????????????,????,?????????????????4????,??????6~7??????????

????????,6??????-8?????,???????????????????,????

?

10?????6??8?7?8????,???????????????????????????????????????,??????,???????????(50~80?????)??????????????????????????????????????????4~6??

?????????(10????6?8?????????????-7?????8??)

10?7??????????8??8??8??????????????,?????????????????????????,??,??????????(50~70?????????)???????????????????4~5???????????????

?(10?7?8?-8??8?)

10?8????????8?????9??8?,???????????,??????????????????,??(50~90??)??????????4~6?,?,????6~7????

??(10?8???????????8???????????????-9????8????) ?????:??