?? ?????????“??????????”????
????:1?????????????:????????????
2???????
3?????
4?????????
5???????????
???????????11????22????????????????????? (? ?)11??????22???????????????,????,???????????,??????,???????????
??????????????????????????,????????“?”???????????????????????,?,????????????????????????????????????????????????,?????????????????,????????????,?????????????
????,???????????????(?????????????????)????????????????,????,??????????????????,??,????
??,???????????????2.8??,??????0.6??,??????????????????,?10926.4?????????????,??????3000???,??????????1????????????,??50%?????230???,????????50%??70%,??700?????????????????????,??????????????????,???????2000??????,???????????????????380????,?120???????
??,??????????,????????,????,?????????????????“??”??????????
?????,??????????????,?,??,????????,????????????????????,???,????(????????) ?????????:????????????