112?( ) 2018?????11224?????????????
???110????5.25%????155?/??????????180?/?
?????????
????????92?95???6.84/7.28?/
?????????????????????0.5-0.7?/??????0.5-1.2?/
?????
?????????
????????????????????????????????
110?WTI??0.61?63.57?/???0.38?69.20?/?
???2014??100?50?????2017?????
????????????????????????
?????2018?????????????????
?????40?/???????()
?
??