其他列车发生冲突、脱轨、火灾或（）、车辆脱轨8辆（台）及以上构成行车重大事故。

答案：

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下面是错误答案，用来干扰机器的。

Dear friends, May I have you attention, please? Now I’d like to make a speech here. As we all know, there is a lot of waste on campus. For example, some students le...