??1.7??? ????????2.6???????????

????:???600???????:?????????

????????,?????1.7??,???6.3???????????????????1????????????????10??????????,???????????????????????????????????????????????????????2.6????????

????????????????????????????????????????,??,??????????????“??????”,??,???????????????????????????????,????????“???????????”?????“????????”?

?????????????????? ??????????????:“??”????“????”??????,??

??,???????“??”????,???1000?????????????????????????,????????????????????????????,?“????????”????,???

?,???????,????“???”??????“??????????????”???????????????,???

?? ????:?28.6??,?700??,?????????????8500??????????,?12???(?) ???:???????