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穿過筋板上孔是不是一定要小于筋板的厚度? |
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點評
上CNC鑼就行,反正花的是老板的錢
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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