関連ワード:  is cc in train ac or non ac    cc in railway is ac or non ac    2s in train is ac or non ac    cc means in train is ac or non ac    cc coach in train is ac or non ac    cc in intercity train is ac or non ac    cc general in train is ac or non ac    cc full form in train is ac or non ac    2s seat in train is ac or non ac    2s means in train is ac or non ac