??2????3?????????????????? (?????????? ????)?????2????,???,????,???,??????
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??????????,??????????? ?????????????“?????????????”???,?????????????????????????????????????????????????????“??????”“??”????????,?????
????,???“????”?,????“??????????”??????,?????????????????????????,??????????????????,??,?????????
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PPI??5????????????
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19???????????????????
????2016????2146??????????…
??:??????????????
???????100??????????1500
??????????????????
??!?????????????????
????:2016????300??????????…
?????1?????????:??????
??“?????”????????3519?
OPEC??2017?????????
??:??????????????????
????:????????????!
??????????????????5?
??????????????????????????
???????????????IPO????
?????????????????
??:?????5-0????????????
??????????????????6000??
A???“???”:????????????13??
?????????:????????????
??????????8.15???????