???????????2???????8?????????????????????????? (??????? ??)?????????8???????????,?????????????1??????????????????,?????????,????13.6%???17.6%?
???1????????????,????????????????????????????????218???????????????,?????173???????????????????????,?????????????????????????????100??,??,???
??????173?????????????? ???????????,????????,??1?????:??????????????????40%,??16%,??8.2%?
????“?”?????????????????,?“??????????????????????”????????????????,????,??????????????????????“????”?
????1???,“???”????20.9%,????15.5%;???????,?14.2%?“??????????????”(???)????????????????54.4%?
????????????????????????????,?20????????????
?????,????????,????,?????????????????????????,??????????????(???)
????:??????
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17?????????????3???????
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??WTI????50???????
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4S??????????????:????????
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?????????5.5%??????1????
????5?????:???????9??
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?????????????????“1+3+7”??…
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?????????6?????4?
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