?? ?????????? ????“??”
????:1????????????:????????
2?????????????
3???????
4????????????
5?????600??
????12?1?????????? (??? ?)?11???????30??22???????????????????25?,????????????4??????,?????????????????????????,?“???????”????
???(?????)????:???????????
?:???
“??”:?4?,??3.8???????3.35???
“???”:??62??????????????,????“?”?
“????”:???????????????“????????”??????????????????,??“?”??“??????????”????????????????????????????????????????????,???????????
“???????????????????????”:?????????????????????????,????,??,???????????,????????????10%????15%?
“??????”:??,???????????,???????,?,???????????????????75%???,?????0.3????????????????????????????????????????,??????,???????????(?)
??:???????