2??5?????????????,??,?????????????????
???????????????????????,??????????2???4?7??
???????????:????
???????100??????????1500
???7??????????????????
?????????????????????
?????????????????????
????1???????????????
??????:?????????
???????3????8????????
??:???????????????????
?????????????????64?
?????????68?????????????
???:?????????????
???????????14???????????(?…
????????????????CEO??
????????????470?:???3?1?
????????????????CEO??
OPEC??2017?????????
???????????????61???(?)
?????????68?????????????
?????1?????????:??????
??:??????????????????
?????1?????????:??????
??????????????????6???
50???????????:?????????
2017???????????:??????
????1?????????????????