... upper yield point上屈服点 upslope motion上滑运动 upstream slope上游坡 ...
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The utility model is the bicycle for strengthening full body motion, and can prevent slide at the time of riding for upslope.
本实用新型是一种强化全身运动的自行车,而且骑上坡时能防止下滑。
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模块上移
模块下移
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