?2??????13???????? ????????????????13????,“??”??????????,???????,??????????????5??,??10???????,???????????????????????,????????,??????“???????”??,????????????,??,?????????,????
?????:???????????
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??WTI????50???????
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?????????1???????????
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?????????????????????20%
???????????????:????
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???????268?130?????“???”
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?????????5.5%??????1????
???????????????????TT
KD????????????????????
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??:???????????????
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