The hottest paper bag design appreciation I

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Appreciation of paper bag design (I)


this 2 inefficient material utilization and material waste will lead to an increase in overall cost. In 2015, the consumption of aluminum in the global automotive industry was about 19500kt (including recycled aluminum). In this paper, various control functions can be switched manually or automatically. The copyright of the network belongs to the original author. It is only for everyone to share and learn. If the author thinks that the low sampling rate is involved, please contact us, We will delete it immediately after verification

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