15409| 27
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常用的鈑金件折彎內角 |
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點評
圖紙上一般R幾?你們有多大R的刀?
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點評
那3mm厚的料呢
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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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