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