发布时间:2025-01-31 01:51:11
家装射灯一般是多个并联控制,有以下控制方法:1、一排射灯采用一路控制,所有的射灯全部并联连接,一根控制线下开关接线盒。2、一排射灯采用二路控制,零线公用,并联以后两根控制线下开关接线盒。3、一排射灯采用三路控制,零线公用,并联以后三根控制线下开关接线盒。4、依次类推,火线进开关,控制线出开关。
请问哪里有卖那种可以把衣服里面的空气抽成真空的方便装进行李的东西
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