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woshimajie

新虫 (小有名气)

[求助] 请教一个碳钢力学性能的问题

我们生产的气瓶用钢钢坯(Mn钢),拉伸性能和成分都合格,但是冲剂性能很低,和同批生产的都要低很多,是什么原因!!
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wbcui

至尊木虫 (知名作家)

这问题你拿来问我们,我们怎么知道?

你不看微观结构,怎么知道》
2楼2012-11-12 19:36:26
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