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瓶蓋螺紋的加工,請教 |
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點評
瓶身是吹塑。。。瓶蓋是注塑 ? 但是瓶蓋脫模怎么搞的,內抽旋轉出來的嗎
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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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