?? ?????????? ??????????
????:1??????:???????
2?????????
3?????????
4???????
5???????
??6???20????????????(??????? ????????????????????)20???,???????,?,??,???,????????????
?,20??????14????????????17??????????,??41?????50???????,9??100??,??????????127.3????????????47?20??????/????,3????????????50??????/??????,??57.9??/???
??,??????????????? ??????????????????,????????????21??22??,????????(40??????60??/????????,???????????????70??????/???????)???????????;22??,??,??????????23??24??,??,??26??????????,?,?????
??:?????,??,???????????????????,??????;??,??????????????????????????;???????????????????,?????????????(??????????)
?????:????????