双色球基本走势图

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钢构幕墙该如何在冬季施工?

信息来源:http://mmlah.com/ 作者:武汉钢构旋转楼梯公司双色球基本走势图 发布时间:2019-02-19 08:40

  武汉钢构幕墙冬季如何施工呢?负温下对9mm以上钢板焊接时应采用多层焊接,焊缝由下向上逐层堆焊,每条焊缝一次焊完,如焊接中缀,在再次施焊之前先肃清焊接缺陷。严禁在焊接母材上引弧。钢构造现场装置时,如遇雪天或风速在6m/s以上,搭设防护棚。

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