发布时间:2025-02-06 02:19:47
无霜冰箱是不用清理的,里面有自动化霜电路,冰箱的壁上是不会有霜的,冷风是吹出来的,但电会比有霜的费点。
用一个电表测一个led灯的功率从表上看这个灯的实际功率是多少
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