3549| 5
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請教各位,針對卷料或者棒料,是否有對應的標準規定切頭切尾的長度尺寸 |
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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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