30cr2mov性能
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30cr2mov牌号 30cr2mov钢材< 带材
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30cr2mov圆棒/棒材现货:
30cr2mov圆钢直径10mm-300mm,
30cr2mov毛圆、车光圆、
30cr2mov锻圆、
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30cr2mov板材/平板现货:
30cr2mov板材厚度6mm-300mm,轧板、锻板、板材、钢带、 高精带等
30cr2mov合金钢销售单位信息