3367| 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(guī)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(qū) ( 京ICP備10217105號-1,,京ICP證050210號,,浙公網安備33038202004372號 )
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