8675| 55
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急需一種耐腐蝕耐溫材料,試過幾種,1小時內被腐蝕了! |
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點評
那就是對強度、韌性有要求嘍,原本以為石墨可行……
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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