????:2025-01-06 02:17:47 ??:????
????:??????????:??300????????
??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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