????:2025-01-05 21:26:13 ??:????
????:????????:?????
??????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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