3913| 7
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求超高分子量聚乙烯資料 |
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點評
耐高溫?不可能吧?熱變形溫度只有50-80度
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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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