????????????????????????????????????,???????????,??????10??,?????7000???,?????????????????????????,???????
?????????,???????????????????,??????????????????«?????»?????,???7??,???????????????????,?????????????,??
???????8?29?,?????????????????(????“????”)??????????????????,????????????????“lng"?"cng”??,?????????“???”???
?????8?29????????????????????(??“????”),?????,?????????????????????,????,??????800????????????????????2009??
??????????????????????????????,?????????????,2013?,?????????32.5???,??????????,????????????????,??????????
????????????????????,??????????????3.53???3.65??,????6.33%?3.31%;??????3.32???3.46??,????16.67%?13.93%????????????????,??
