3469| 11
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鉆方孔和六角孔 |
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點評
基本都是沖壓的
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點評
上海 有一個 推鉆的廠
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Archiver|手機版|小黑屋|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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