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

????:????????:????600????

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

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

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

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

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