????:2025-01-05 22:30:17 ??:????
????:??????????:?????
??????????????????????1+1?????????????CR450 ????????????
????,??????????????????CR450??????????????????,?????????????????450????????,?400??????,???????????????????????????????????????????,??CR450?????????????????????«????1+1»??????????????,?????????
??“CR450”,C????China,R?????Railway,??????????,????????????350?????????,??,??????50???????????,??????????????,?????????????????,??,???????????????
CR450?????????
???
???????? ???????:CR450??????????????,????????????????,???????200??????????????????????200?????????????,??????????????????????????,?????60??????????????????????????????CR450???????????????,????????????????,??,???????????????????????????????????????????,?????,?????????
50???????
???
????????????? ????????????:?????????????2018??????,?????,??,?????
?????????????????????????????????????,?????????,??????,?????????,???????????????
50????????????,???,??,??,?????????????????????,?????????????????????????
????,????????????,?????????CR450??????????????,???22%?
????????????????????
?? ???:??,???????????????,?????????????,????????????,?????????,??,???????,??????????????CR450???????400??????,???????????????,????????????????????????
(????????????????) ????????:?????????????
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