13085| 21
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螺釘連接結構中的強度與承載設計矛盾 |
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點評
大哥,你搞錯人了吧,我哪里懟你了,你吃炸藥了吧,神經病
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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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