8184| 32
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板料的抗拉屈服會因為厚度不一樣嗎? |
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點評
人家說同種材料。軋制后,材料不同了
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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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