?????????2?????????7?????????????????? (?? ???????????????)??7??????????,?????????????,???“???”?????????????“???”???,????“?????????”???,??50%???????
???,??“???”???:“??????,????????,???????????2????????????,??????2???,????????”
?,??????????“???”???,??????????,????????,“???”?,??????????????;??????????,???22??????“??????”??CT?????????,??????????,????“???”??????,??
?,?????????????,????“??”?????????????2024????????4.5???,??A?B????????????17???22????“??????”??????????????????????????????????????????????“?????????????”???????,?????????????????????,??????“????????????”???????????,?????(?????????)??,????????“????”????
??????,??????“?????????”????,?????????“????”???,??,?????????(??)
????:??????
19???????????????????
??-????????????????????
PPI??5????????????
???????????:??????????
???????????????
??:??????????????????
?????????????????????????
????2016????2146??????????…
??????????????????????????
???????????????????
??:??????????????????
??:4?27????????
OPEC??2017?????????
????????????????????
????????2????????????
?????????????????????
?????????????????????
?????????????????????
???????8?17??????????4??
??????????????????????
????1?????????????????
????????!???:?????????
????:2016????300??????????…
??????????404????(?)
??????????????5???3???