樓主: 恒哥75
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3mm鐵板鉆60mm的孔,20元一個(gè),良心何在? |
點(diǎn)評(píng)
確實(shí)! 如果有數(shù)萬件而且每月都有的話,用數(shù)控沖床來做,2元就搞得過。還好賺過一個(gè)孔20元
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