回复bybls_74发表于：2020/5/3 11:46:00悬赏金额：
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哪位大侠有懂铝合金金相的吗？帮忙分析一下这几张图中都存在哪些相？[img=,690,552]https://ng1.17img.cn/bbsfiles/images/2017/05/201705031143_01_1672886_3.jpg[/img][img=,690,552]https://ng1.17img.cn/bbsfiles/images/2017/05/201705031143_02_1672886_3.jpg[/img][img=,690,552]https://ng1.17img.cn/bbsfiles/images/2017/05/201705031143_03_1672886_3.jpg[/img][img=,690,517]https://ng1.17img.cn/bbsfiles/images/2017/05/201705031144_01_1672886_3.jpg[/img]
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