1517| 9
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本人小白,求兩個(gè)不同面的螺絲的擰緊機(jī)構(gòu)如何設(shè)計(jì) |
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點(diǎn)評(píng)
看不到
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Archiver|手機(jī)版|小黑屋|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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