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聊聊那些被‘玩殘了’的行業(yè),,先聊鋼鐵,, |
評(píng)分
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論資源消耗,,中國(guó)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(diǎn)評(píng)
不能,,必須儀器檢測(cè),人是看不準(zhǔn)的,,試驗(yàn)過(guò)好多次,,有經(jīng)驗(yàn)的家伙也看不準(zhǔn),準(zhǔn)確率不高,,
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