9821| 32
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最近做了200個螺桿頭,求各位大俠指點 |
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點評
你都沒見過那玩意 都不知道他的工藝 是刀具和機床他自己不清楚嗎
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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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