8274| 16
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鉆模上的套用什么材質(zhì)? |
點評
粗糙度0.08?0.8還差不多。
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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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