发布时间:2025-02-08 03:44:17
1、把四联单控开关面板的接线口L1、L2、L3、L4用导线连接起来并从5根电线中找出火线压接上。
2、另外四颗线是四盏灯的回火线,分别接在L1-1、L2-1、L3-1、L4-1接线端上。
一个五万平米的建筑每层一万二千平米每层主体施工十五天工期木工钢筋工砼工架子工普工分别需多少人
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