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

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

??????????,???????????????,???????,??????????,??,????????????,??,??????????????????(????????) ????????????????????????:???????????