10382| 10
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分切刀切出的紙端面有波紋什么原因? |
點評
是分切后的卷筒紙端面有放射狀星紋嗎?
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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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