4396| 14
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請問這個拉深件的褶皺是怎么來的?什么原因,請大神們給我指導指導,謝謝 |
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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