发布时间:2025-01-19 17:20:03
用多大电线取决于通过这组线路的电流负载,一般照明用1.5平方,插座2.5平方,空调4平方。主干线可以用6平方,看你分多少个回路。每一组线均用空气开关控制,插座空调那些要带漏电的空开。配电房的进线用多大你要计算总的用电量功率有多少个千瓦,自己慢慢加。
定额中的硬质聚氯乙烯管刚性阻燃管半硬质塑料管三者之间如何区别
2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03如何维修尺寸673407cm的都彭打火机超薄的那款火石卡里面了谢谢
2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03 2025-01-19 17:20:03