发布时间:2025-02-03 02:38:27
这种按键开关,相当于一个单刀双掷开关,每边的中间都是公共端,按下的时候中间的与其中一个接通,放开与另一个接通
我准备在小吃城开一个档口就是菜单的灯箱我不知道用哪两个颜色配会好看显眼一点就是一张纸的那种打印
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