发布时间:2025-01-19 07:51:01
板块连接一般采用的有短槽式、背栓式、铝合金挂钩式,其他如通槽、钢销等用得不较少了
请问各位大神需要吊顶的客厅需要在浇楼板的时候把电灯的线路预埋在楼板里么
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