??
?2?????????7??????????? ?:????????,??,????6?????????????????????????
?????????????,????????????????????6?????,?1??26?????????????,???????????????????6000?????????,5????,???????5.2??????????,???6?????????,?????????????????????7??4.0??????
??????,????????????,???????????????6????????????????,????3??????3?????
???,????20000??,?????340??????????????,?????????????????11000???????????,????
???,?????????????????????????,??????????????,???????????????6???????????????????(?????) ????????:????
?????????
????????????????????????????????????