???????????,??,????,???????,?????????,????????????,???????????????????????«???????????:???????»???????????????,????,?????????(???????????????)
???:???
?!????????????
??????????????5???3???
?????????????????????
???7??????????????????
???????3????8????????
PPI??5????????????
????????????????????
????????2????????????
??3?????????0.2%
????:????????????????
??-????????0-0????????
?????????????????64?
?????????????????????
???????????????
?????????????????????
??-????????0-0????????
??:???3???1???1????????
??????????????????????
??3?????????0.2%
????????????470?:???3?1?
OPEC??2017?????????
??????????:????????
????:??5?????????????
??????????8.15???????
???????????????IPO????