RE: RE: 燃气闪爆 & 吃灰的MQ2（烟雾及可燃气体传感器）
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RE: 燃气闪爆 & 吃灰的MQ2（烟雾及可燃气体传感器）

oflyhigh(86)
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哈哈哈哈
有没有大半夜突然造访的情况？

看来物业选 的报警器不过关啊

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