The utility model has genius design, good safety performance and is convenient and practical.

本实用新型设计巧妙，安全性好，方便实用。

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Genius design: the design that results from designer that use their experience at creating designs for others, without doing research.

天才设计：有丰富经验的设计师通过自身的经验而不是研究来完成设计。

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Genius design: the design that results from designer that use their experience at creating designs for others, without doing research.

天才设计：有丰富经验的设计师通过自身的经验而不是研究来完成设计。

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