?2?8???????????? (????????????? ???)2??8????????????,?????????,??,???,?,???????????????,????????,???,????,??,???(????????????????????)
??:?????????????
??????:??????????????
????:2016???62.7???10?5?
??????????????????????????
????5?????:???????9??
?????????????????????
??|????????!??????????
?????????????????“??”
???????????????:????
???????????:?????????
??:??????????????????
CBA???????????????????
??:???????????
????????????????:????????
?????????????????????20%
????:2016???62.7???10?5?
?????????????????30??
??:??????????????????
?????:??????????????
????????:??????????
???????????????5??3???
??WTI????50???????
15???????????????????
???????:???????????
????????????????:????????
46???????????????????