After the structure is used, the utility model has the characteristics of simple structure, convenient operation, and automatic rotation carried out through the button.
采用上述结构后，本实用新型具有结构简单、使用方便、可通过推钮自动旋转的特点。
After the structure is used, the utility model has the characteristics of simple structure, convenient operation, and automatic rotation carried out through the button.
采用上述结构后，本实用新型具有结构简单、使用方便、可通过推钮自动旋转的特点。
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