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圖中經(jīng)鑄造,、加工的圓盤非常容易變形(起鼓),,不知道什么原因 |
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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