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關(guān)于設(shè)計(jì)通止規(guī)的問(wèn)題?急 |
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點(diǎn)評(píng)
公差等級(jí)過(guò)高是對(duì)批量生產(chǎn)而言的,對(duì)于單件加工是沒(méi)問(wèn)題的
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