????:2025-01-05 01:23:23 ??:????
????:???????200?3??:??????
???????????????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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