发布时间:2025-01-21 05:53:20
LED电源,一头两根白线,另一头一根红线,一根黑线,接线方法如下:在确认该驱动器输出电流正确,电压范围正确的情况下,两根白线分别接市电的零线和火线。红线接LED灯板的正极,黑线接LED灯板的负极。
如何设计4.5*4.8,的三跑楼梯,一二三层楼的平面图,还要标高哦
2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20我16岁到夏天就要往我妈他们房间跑 我房间没有空调 我就很不方便来回搬 我该怎么办
2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20 2025-01-21 05:53:20