题目内容

在减速模式下常用制动指令的解除:速度下降到目标限速以下,语音提示“允许缓解”,确认可以缓解列车后,按压()键,装置解除常用制动指令。

A. 【缓解】+【确认】
B. 【缓解】
C. 【解锁】
D. 【警惕】

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