本实用新型由于采用上述结构，具有方便存放，说明照片档案的优点。
Because the photo archive storage device adopts the structure, the photo archive storage device has the advantage that the photo archives are convenient to be stored and illustrated.
由于采用了上述技术方案，本发明具有使空气和煤气混合效率高，燃烧时火焰长度短、火焰截面积大的优点。
The invention adopting the technical scheme has the advantages of high mixing efficiency between air and gas, short flame length during the combustion and large section surface of flame.
由于采用了上述技术方案，本发明具有结构紧凑、传动效率高、选换挡可靠性强的优点。
Due to the technical proposal, the gear choosing-shifting actuator has the advantages of compact structure, high transmission efficiency and strong gear choosing-shifting reliability.
本实用新型由于采用上述结构具有结构简单合理，安装和使用方便，既可以翻耕土地，又可以播种等优点。
Due to the adoption of the structure, the sower has the advantages of simple and reasonable structure, convenient installation and use, land plowing as well as sowing, etc.
本实用新型由于采用上述结构具有结构简单合理，安装和使用方便，既可以翻耕土地，又可以播种等优点。
Due to the adoption of the structure, the sower has the advantages of simple and reasonable structure, convenient installation and use, land plowing as well as sowing, etc.
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