????:1????????:????????

2???spa??

3???????

4????????

5??????????

??????????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???????,????????,????????????????????????????

(?????????????) ??????????????????:?????????