Paper carrier bag design by Tao Ma for Olympic Games.
Tao Ma为奥运会设计的纸质购物袋。
This Paper introduces the design of the easy-adjustable bag former.
本文介绍了一种易调式制袋器的设计。
This paper studied the structure of case and bag, and discussed the key points of structure design about it.
本文对箱包的结构进行了分析论述，并指出箱包结构设计的关键。
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