112?( ) 2018?????11224?????????????




???110????仯5.25%????155?/??????????180?/?




?????????




????????92?95???6.84?/7.28?/




????λ?????????????????0.5-0.7?/??????0.5-1.2?/




?????λ




?????????




????????????????????????????????




110?WTI??0.61?63.57?/???0.38?69.20?/?




???2014°??μ100?50????λ?2017°?????




?????????м???????????????




???о??2018?????????????????




δ?????40?/???????



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