整篇文章全是描述讲故事，没有一个数据在说话。请问是什么钢？哪些具体指标不合格？哪些性能指标国内的产品满足不了？

来源: ZuoLuo 于 2016-11-28 18:49:27 [旧帖] [给我悄悄话] 本文已被阅读：次

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