3945| 8
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請問怎么加工過渡配合螺紋? |
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點評
學習了
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點評
是呀,,了解一下螺紋加工,,這個問題并不難
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網安備33038202004372號 )
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