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简介: 最近一次不锈钢复合管唐山调研表明情况无明显改善    经过对多家钢铁厂的调研,千亿国际手机版唯一官网下载的主要发现包括:虽然需求情况一般,但产能利用率处于较高水平;钢价和现货成本倒挂;对春节过后需求复苏的预期较高。对这些
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