?:??????
OPEC??2017?????????
???????????????
???????????????61???(?)
??????????????????5?
????????????????????
????????????200???????
???????8?17??????????4??
??:4?27????????
????:?????????????1???
????????????????????
??:??????????????????
??3?????????0.2%
??????????????5???3???
???????100??????????1500
????2016????2146??????????…
?????????????????????
????????????????????
??-????????????????????
??????:????????????
??????:????????????
??:??????????????????
???????10????3-2????????
????????????????????
OPEC??2017?????????
??????????:????????