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聊聊那些被‘玩殘了’的行業,先聊鋼鐵, |
點評
論資源消耗,中國這些年一直是世界大戶,而且是附加值很低下的粗放消耗
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點評
不能,必須儀器檢測,人是看不準的,試驗過好多次,有經驗的家伙也看不準,準確率不高,
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