??????????????????

??2????????????7? ????????????????????:?????,??,??????????6?????

?,?????6??????????,??????1??????26????????????????????????,??????????????????????6000?????????,5???,??????????5.2???,????6???????????,????????????7???????????4.0???????

????????,??????,??????????????????????????6?,????3??3??????????????????

???,??????????????????20000?????????,??340?????????????????????,???11000?????,??????????

????,?????????????????????,?????????,?6??????????????????????(?) ?????????????:??????????????