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B型地铁客室所有信息都是由主控的主司机通讯模块发出的。（）

发布于 2023-03-18 18:36:35

【单选题】
A 对
B 错

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星辰 2023-03-18

天空黑暗到一定程度，星辰就会熠熠生辉。

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