The utility model has reasonable design, novelty structure and low cost;
本实用新型设计合理，结构新颖，制造成本低；
The utility model has the advantages of reasonable design, simple structure and low cost.
本实用新型设计合理，结构简单，价格低廉。
The utility model has the advantages of reasonable design, simple structure and low cost.
本实用新型设计合理，结构简单，价格低廉。
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