3362| 5
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誰有轉(zhuǎn)塔沖床的教程啊,沖壓件設(shè)計方面的書 |
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點(diǎn)評
自學(xué)很難的,這些東西實(shí)踐性很強(qiáng),我們這里做轉(zhuǎn)塔式?jīng)_床的都要到車間實(shí)習(xí)半年以上
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