19436| 78
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請教:圖示螺紋怎么加工 |
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點評
好在都是十幾絲+的公差,
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點評
除非他有效要求的短點可以干,
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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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