发布时间:2025-02-02 20:54:27
SC管是焊接钢管,JDG管是薄壁镀锌线管,用途都是穿线,在普通干燥环境(没特殊要求)管径50以内的管是可以用JDG管代用的,毕竟成本低,安装便捷。
提醒:
图纸设计是SC管,如果50以内管径采用JDG管的话,需要申报给甲方、监理那边同意批准
每周都会发现阳台小桌子上有细沙石成堆堆积但天花板和周围都没有这样的东西哪里来的呢
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