发布时间:2025-02-01 09:47:36
图集上是没有的,现场一般也不用“几”字型马凳。多用钢筋段点焊在筏板钢筋(上皮)用于支撑。
钢筋量按实布计算。
华为rru抱杆安装件室外通信电源拼接安装件支架支座抱箍是什么
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