????:1?????????:?????????

2???????????

3?????????

4??????

5?????Vx

??6??28? (????????)????????????28????????,????????5??????????24.36?????????????????,?14.16?,??58.13%,????????,??????“??”???????????

??28????????,??? ???? ???????

???,???????????????????,2009??,???1039.67?????????????????????????793.67???,??156.46???,????19.71%?

????900???,?????????????????,????????????????“????”?????????????,?????????????????????,?????,???????????200??,??180????,???????470????(??????????????????,????????????),?????????????????20????????????????

??,?????????,????4‰-6‰????????????????,?921???????????????,???4000?????;?????????????????,??,????????10?????,????????????????3??;?,??“???????”????????,?????12????,??6??????,????????;????????????????????,??,?????,??1.8??2????,???????

?????????????????????????????????????????????????????(????????????????????),?800??????????????????????,??????“????????????????34”???302.6??????????,“??60”???3.3‰?511.9???,?????????????????????,??,????????????????????????????????3.5?????????;????????????????,?????,???????(??????????????????)55???(??)

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