发布时间:2025-01-28 11:03:39
现在的墙壁开关都有一块盖板将安装螺丝盖住,你看看边上(一般在下面)有两个缺口可以用螺丝刀撬开即可,撬开后就可以看到螺丝孔了。
一个台变区只能装一个集中器吗采集器和电表以及电表用户之间又是怎样的关系一个采集器对应一个用户
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