6-9???????????????

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

????????1??5? ?,?8?????6?????????,?,??????????????????????????????????????????????,?????????????????????1??,???200???????

?????

6-9??????

?,6????????????????????9????,?4~6????????????????,???????????????????8??,?????????????????????4~6??;7??????????9??????,???????????????????????,???????????,???

??

1?5????????????8??????6????8?,??????????????????,????,????????(5.0~8.0??????????)????4~6?,??,?6~7??

??(1????5??????8??????????-6??8?)

1?6??8?7???8?,???????????????????,?,?(5.0~8.0??)?????????????????????????????????????????????????????????4~6???

??????(1?6??8?????-7????8??????????)

1?7??8?????????8???????8??????????????,??????????????????????????????????????,?,??????????????????????????????????????????????????????????????????????????????5~6???

???????????????(1??7????????8???????????????-8?8???????????????) ????????????:??????