4455| 13
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求教M235X3.0的螺紋怎么加工 |
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點評
只要錢給的夠,文墨精度 了解一下
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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