????:1?????v:???????????

2??????200??500

3?????????

4???????

5????????????

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

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

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

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

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