When boarding the train, look for your shortest escape route and familiarize yourself with safety features such as an emergency alarm or intercom.
上火车时，观察最短的逃离路线，熟悉安全设施，比如紧急报警器和对讲机。
In the event of an emergency, passengers riding on the subway trains are able to contact the control center through the wireless intercom devices installed on every carriage.
在紧急情况下，乘坐地铁列车的乘客可以通过安装在每节车厢里的无线对讲设备与控制中心联系。
In the event of an emergency, passengers riding on the subway trains are able to contact the control center through the wireless intercom devices installed on every carriage.
在紧急情况下，乘坐地铁列车的乘客可以通过安装在每节车厢里的无线对讲设备与控制中心联系。
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