2296| 11
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求粘彈性阻尼介質(一種高分子聚合物) |
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點評
社友你好,,確實是材料問題,。我手里有視頻,有興趣的可以加我QQ
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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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