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日本進口316L板材出現紅褐色垢 |
點評
亞鐵鹽說明現場酸性高,看看那里是不是容易積水(包括水汽凝結)
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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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