发布时间:2025-01-24 14:29:07
一、插板上的n和l代表什么1、插座上的N代表接零线的位置,L代表接火线的位置。
2、单相三线插座是比较常见的一种插座形式,其中间为接地线、左边为零线、右边为火线。
3、火线全称为Live Wire,标志字母为L,零线的全称则为Naught wire,标志字母为N。
在北方的建筑中钢筋模板已制作完成遇到冰冻雪天怎么除掉积的冰雪浇灌混凝土柱梁板
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