发布时间:2025-02-01 16:39:12
公牛插座三根线应该接成三角形,红线接在火线插口上,蓝线接在零线插口上,黄绿线接在地线插口上。三角形接线可以有效地降低线路绕组的受磁场影响,防止过电流产生,提高电器稳定性,保证安全使用。
外墙抹灰多久才能上涂料 外墙抹灰后需要等待多长时间才能进行涂料施工
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