??2???????????14????? (? ????????????????)????????????????????????14????????
??????????? ???????
?:??????,????
??????????:??,????????????,?????????????,???????????,????????“???”,??????????????,??????????,???(????????)
???:???
??:???????“??”???
???????????????????????
????2016???54?PB??????????…
STX?????«???»?«??????»
?????“??????”:???????
?????:???????????3
2017????????????????????
??:???????“??”???
????????????????????
??????????????????????
?????????????????????
?????“??????”:???????
??????????????????????
????:???????3716??????????…
????????????????????????
70???????856?:??????????-?
????????:????????????!
??????????????????????
????:????????????????
?????:???????????3
???????????????GB????
2017????????????????????
????2016???48.6???????4.3%
????????????????
????!?????????????