中23

B型地铁列车感烟探头的电机转速低于120转/分钟时，该吸入器报风机故障。（）

发布于 2023-03-18 18:36:40

【单选题】
A 对
B 错

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RENO 2023-03-18

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hymnsoul3

这家伙很懒，什么也没写！

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