发布时间:2025-01-30 23:57:22
不行!六米高的话必须在墙中部3米高的地方加横水泥钢筋梁,而且钢筋必须跟附近的柱梁钢筋勾扎焊接固定。12CM墙太薄了,还6米高,我只能说非常危险。
china international exhibition center是中国国际展览中心吗
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