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焊接H型钢标准节点通用图(一)焊接连接 (二)高强螺栓
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钢材残损检验鉴定规程 第5部分:型钢
Rules for the damage survey of steel materials-Part 5:Section
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预应力混凝土用钢材产品质量监督抽查实施规范
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矿用热轧型钢
Hot-rolled section steel for mines
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铁塔用热轧角钢
Hot rolled steel angles for tower structure
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海洋石油平台用热轧H型钢
Hot rolling H section steel for offshore oil drilling platform
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