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關于 PTFE 的相關問題請教!!! |
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點評
貴便宜都好,問題是性能參數差在那里了,怎么檢測,參考什么指標
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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