楼主: panyixiang
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急需一种耐腐蚀耐温材料,试过几种,1小时内被腐蚀了! |
发表于 2010-11-21 19:59:27
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发表于 2010-11-21 21:03:46
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发表于 2010-11-22 14:20:22
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