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一個鋁件,一個銅件,,兩者需要無縫貼合,,并整體受力,,有什么辦法 |
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小黑屋|手機(jī)版|Archiver|機(jī)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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