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什么樣的設備能加工1200毫米深直徑6粗糙度3.2,位置度0.5的深孔 |
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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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