?? ??????:????? ????????????
????:1?????????:??????
2????????
3???????
4??????????
5???????
??2?????????????6???? ????:????5?????????????????,??,???????????,??????????????????,???100????????????
??????????????,????5?????,?????????????,??????56.5?????,??????????????????????????????????????4.5???????????,????????????200????????????,???????????????????????????
?????,??,??????,??????????????,?????????????
???,?????????,??????????????,???1000????????,??????????????100?????????????????,????????????????5?,???40%??????,??????????????3000?3?????????????,??7000???????
???,??4?,?????????25????,???????????????,????????????,1?3?,105??(?????100????????????)??176????
???,???,????????????????4???????????????(????????????????)?????18????,????583????(???????) ???????????:???