运行人员对直接威胁设备和人身安全的操作命令应拒绝执行,同时向发令人报告拒绝执行的理由和建议。
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运行值班人员应认真执行调度员的操作命令。
A. 对
B. 错
The track equipment includes:steel track, ____________, a sleeper,____________,____________,and connecting parts.
For the power supply system, ____________ has been adopted as the mode of providing direct current for the contact rail(the third rail).