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lehigh_73

金虫 (著名写手)

[求助] 钢管内衬黄铜管

如何在碳钢管内衬黄铜管啊,要达到冶金结合效果(不要通过挤压或拉拔的方法实现复合),有这方面的大虾么。。帮帮忙啊。。
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tianair

禁虫 (小有名气)

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2楼2015-06-10 21:02:35
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