经过拐弯处的倾斜路面时,他竭力把稳自行车。
倾斜路面上方设置的扶手主要是是帮助人在上行和下行时掌握身体平衡和利用胳膊辅助加力。
The handrail upon an incline usually helps people holding balance and energizing when they go up and down.
倾斜路面上方设置的扶手主要是是帮助人在上行和下行时掌握身体平衡和利用胳膊辅助加力。
The handrail upon an incline usually helps people holding balance and energizing when they go up and down.
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