... 条钢折叠 pincher 冷轧条钢 cold finished steel bar 八角条钢 octagon bar steel ...
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cold-finished中文是什么意思 ... cold finished steel 冷精轧钢 cold finished steel bar 冷轧条钢 cold-finished products 冷轧产品 ...
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cold finished steel bar
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cold finished steel bar
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