The estimated value of Crawford's original five-year contract was £6m - however this figure was reached 14 months in, in May 2023.
「中国铁路」公众号发布的文章显示，铁路 12306 技术中心对相关订单进行了核查，确认候补流程正常、通知及时，所谓「作废」系误读。
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