Thales 法国的，不知道技术上行不行The new signalling system by Thales is currently undergoing full-time tests on Sundays and certain weekdays and is expected to be fully deployed later in 2017. Meanwhile, the old signalling system by Westinghouse will serve as a backup for the new system.
法国的，高级啊，请继续。
千万别用中国的，背锅侠当不起。
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