7281| 16
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上裝式球閥加工求助,樣品居然過了 |
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點評
最好來個實物的照片,把接刀痕也照上,你說半天,也沒說明白,那個位置有接刀痕
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Archiver|手機版|小黑屋|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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