二件式刹车把手设计，使把手具备折叠性，方便自行车的折叠。
Two pieces type brake lever is designed, make the lever possess folding, facilitate the folding of the bicycle.
瓶口顶部的把手设计能选择增加挂饰或背带，亦能直接挂于课桌旁的挂勾，提供便携性与个性化的识别。
The handle on top supposed to add pendants and braces can be hung on the hook beside desks, which provides both the portability and individuation for the children.
摇杆采用万象连轴结构，安全可靠，轻松使用无噪音，且采用隐藏式把手设计，防尘结构不积尘，使用顺畅。
Mute rocker adopt universal shaft structure, safe and reliable, and also adopt hidden handle with dustproof structure, smoothly use.
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