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板材為2mm , 沖孔是一個(gè)一個(gè)沖,,怎么定位才能保證孔距 |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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