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卷帘门停电了手动怎么开 – 家居日记

卷帘门停电了手动怎么开

卷帘门停电了手动怎么开
方法如下:后备电源:若卷帘门有备用电源,无电时启动备用电源打开卷帘门。手动开卷帘门:若没备用电源,就要手动打开,前提要确定卷帘门是哪种类