??????????2????????13????????,??75???????????19????,??
????1951?,???????????????2??23??(?????????????????? ????????)
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????????224.6???????10????…
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????:2016????300??????????…
??????????????????6???
???????100??????????1500
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OPEC??2017?????????
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???100?????????????0.01?
??2??????2?1600?????2?
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????????????470?:???3?1?
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