Compared with the prior art, the invention can also perform the searching function, simultaneously saves the expensive touch display screen, simplifies the structure and greatly saves the cost.
本发明与现有技术相比，同样可以起到查询的作用，同时省去了昂贵的触摸显示屏，简化了结构，也大大节约了成本。
Compared with the prior art, the invention can also perform the searching function, simultaneously saves the expensive touch display screen, simplifies the structure and greatly saves the cost.
本发明与现有技术相比，同样可以起到查询的作用，同时省去了昂贵的触摸显示屏，简化了结构，也大大节约了成本。
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