充分的信息寻找什么，在您的自行车脚蹬踏板，可以让你的选择过程容易。
Adequate information on what to look for in your bike pedals can make your pedals selection process easy.
给灯和其他用电用具充电的工具4块太阳能电池、一个风力发电机和一个利用脚蹬踏板发电的装置。
The lights and electronics will be powered by four solar cells on top of the hut, a wind generator and a pedaling machine.
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