12440| 47
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這個(gè)蓋子是怎么折邊的 |
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點(diǎn)評(píng)
鈑金件是滾邊機(jī)滾的,還沒(méi)有到開(kāi)模的量。
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點(diǎn)評(píng)
可以沖壓成型,只是成本和量的問(wèn)題。
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