5453| 31
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這種網孔板,可以用厚陶瓷做嗎 |
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點評
316?反正304測試有明顯銹蝕點
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Archiver|手機版|小黑屋|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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