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為什么轉(zhuǎn)型這么艱難?說說我們失敗的產(chǎn)品研發(fā) |
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點評
說的好像自然時效的零件比人工時效的零件差似的
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點評
我所在的企業(yè)就是賣產(chǎn)品的,。,。。臉紅
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