The utility model has the advantages of simple structure, convenience and practicability, and the kinds of batteries are enriched.
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The technique has the advantages of wide source of materials, low cost, simple production, convenience and practicability.
该技术原料广泛，价格低廉，制作简单方便实用。
The inflatable bag has the advantages of reasonable structure, convenience and practicability, multiple functions, and the like.
本实用新型具有结构合理、方便实用、功能多样等优点。
The utility model has the advantages of novel appearance, strong decorativeness, simple structure, convenience and practicability.
本实用新型收拢后呈折叠形状，其结构简单，方便实用。
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