发布时间:2025-02-05 01:20:42
装的木叶带灯头的吊扇灯还是隐形扇叶吊扇灯?前者可以换灯泡,买大瓦数的灯泡换上就可以了,后者是LED灯盘,不好调节亮度,可以考虑辅助照明,安装筒灯射灯壁灯或台灯立灯等。吊扇灯要有3C资质,如果买到劣质的,风扇电机质量不行,扇叶材质不行,光源质量也不会好。
你好我刚上高一 问下关于胡克定律 弹簧固定在墙上左边收到手的拉力那么右边不也会受到墙的拉力
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