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[讨论] 请教镁铝合金的结构件需要测试哪些项目?盐雾要不要测试,多长时间?谢谢! |
发表于 2006-9-29 10:03:00
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发表于 2006-9-29 19:58:00
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发表于 2006-10-30 12:54:00
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