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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，千亿国际手机网页登录的主要发现包括：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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