6658| 12
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這個(gè)件是怎么出來(lái)的啊,紋路都是橫紋,不是切削加工的,是注塑么? |
點(diǎn)評(píng)
材質(zhì)是電木
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點(diǎn)評(píng)
正解
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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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