【填空题】
43.调车作业时，调车人员必须正确及时地显示信号；机车乘务人员要认真确认信号，并___。J291
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【填空题】
68.天气恶劣无法辨认出站___信号机显示时，在列车具备发车条件后，司机凭车站值班员列车无线调度通信设备的发车通知起动列车，在确认出站___信号机___后,再行加速。J338
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