?? ????????????!??????
????:1?????:??????
2???????????
3???????
4???????
5??????150??
??????????????,??????????????????????6?????24?????????,????????????,?6?????????????????,????
??????????????,?,?????
?????????????????????????,??,??,????62.7??????????????????????????????????????????????,?????
??????????????5???????,??????,???????????????????????,??4700?,????????????????65%????????
??????,??7?????,8????9????????????????(???? ??)
????????????:??????????????????