发布时间:2025-01-31 17:14:41
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
你好我家楼房装修把承重梁下面的保护层给踢掉了露出钢筋了有2米多吧请问这个怎么处理
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