紫铜管<spanstyle="font-size:13px;font-family:Arial,sans-serif;white-space:normal;word-spacing:0px;text-transform:none;float:none;font-weight:400;color:#222222;font-style:normal;orphans:2;widows:2;disp…

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公司专业生产紫铜棒、紫铜排、紫铜管、紫铜线、紫铜带、紫铜板、镀紫铜排...

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紫铜棒的用途比纯铁广泛得多，每年有50%的铜被电解提纯为纯铜，用于电气工业。这里所说的紫铜，确实要非常纯，含铜达99.9...

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紫铜

我公司长期经营<astyle="text-align:left;widows:2;text-transform:non...

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