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1??30????2????2?,?????????????????????????????,????????????????,??(10~15??)??????2~5?,?8??,?,???
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1??????30????08??31?????????????08????,??????????????????????????????????????????,???,????(10~18????)?????????????????????????????????????????????????????????????????????????????????????????????5~6????????????7~8???????????????,????6~8???????9~11??????????????,??12????(?1)?
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1??????31??????08????2??1??????????08??,????????????????,???????????????????,?????????????????????????????????????(10~15?)??????????????????????????????????????????????????????????,?,????(25~30?)???????????????????????5~6?????????????7~8???????,??????????????6~8?????9~11?,??????????????12?(?2)?
??????????????2 ????(1????????31?08??-2??????1?08????????)
2?1?08????2??????08?????,????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????5~6????7~8????????,??6~8???????9~11??????????,?????12??????(??3)?
??3 ?????????????????????(2?????1????08??-2????08????)
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19???????????????????
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OPEC??2017?????????
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PPI??5????????????
???100?????????????0.01?
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??2??????2?1600?????2?
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