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图片内容是:钢材出厂合格证图片
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高强度焊接结构钢板q460,q550,q690,hg60,hg70,hg785d
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8mm厚钢板,q345b的,屈服强度320是否合格?
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钢材合格证doc14页
钢材合格证doc14页
钢构件出厂合格证.doc
钢材合格证doc14页
钢材合格证.doc
高强度焊接结构钢板q460,q550,q690,hg60,hg70,hg785d
h钢钢材
8mm厚钢板,q345b的,屈服强度320是否合格?
钢材合格证.doc
钢材合格证doc14页