?? ???????????????????????
????:1?????????:????100?????
2????????
3???????????
4??????????
5??????????
???11?????????????????????22???????????? (?????????????????????????? ??)11????????22????????????,????????????????????,??,???????????,??
???,?????????????????????????,?????????????????,????????,??,?,????
????????????????,????????????(??????????)????????????????????????????,??????,?????????????,??????,???????????
??????,??????????????2.8?,????????????0.6??,???????????????????????,???????????????10926.4????,???3000???????????,?????1??,????????50%??230??????????,????50%????70%,???????????????????700??????????????????????????,????????????????????,??????2000??????,????380????,???120????
???,???????????,????,???????,??????????????????????????????????????????
??????????,?,????,?????????????????,????,????????????????,??,????????????????(??????) ?????????:???