发布时间:2025-02-02 00:28:49
可能原因:
短路过负荷跳闸。因接错线。两根线中有一根是火线,造成短路;
漏电保护跳闸。零线的电流漏入地线,引起漏保跳闸。正常情况零线是不能和地线连接的。
电视背景墙做了3厘米的石膏板,石膏板是直接贴墙上的,里面没有木龙骨石膏板下就是原墙体,能不能挂46电视
2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49你好我是做外墙涂料高空作业的工地在苏州吴江想给工地工人各班组人买保险但工地人流动量大请问是
2025-02-02 00:28:49 2025-02-02 00:28:49我想知道在沈阳装修房子用工费用问题 74平 喷墙水暖电工木匠 大概手工多少钱
2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49 2025-02-02 00:28:49