要确定踏步板的型号参数才能报价，如按照国标踏步 延伸阅读： wii瑜伽板配对,瑜伽踏步板素材,bicycles(自行车踏步) 热浸锌踏步板中的g255是扁铁的宽度是25mm，厚度是5mm。
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Giant Bicycles 捷安特自行车
Bicycles and Motorcycles 自行车和摩托车 ; 自行车和摩托 ; 摩托车
Nine Million Bicycles 九百万辆脚踏车 ; 九百万辆踏车 ; 九百万辆自行车 ; 歌曲
folding bicycles 折叠自行车 ; 折叠车
Cars and Bicycles 小轿车与自行车 ; 汽车和自行车
ride bicycles 骑自行车 ; 骑单车
children's bicycles 童车 ; 儿童自行车
Social Bicycles 社会化自行车
Pedestrians, non-motor vehicles (bicycles, tricycles, etc.
我国城市道路上,行人、非机动车(自行车、三轮车等)与机动车是最为典型的交通方式。
参考来源 - 基于二维OV模型的交通流稳定性分析及信息诱导策略研究This paper is a study on relations between bicycles and urban form.
本文是一篇研究自行车与城市形态二者间相互关系的文章。
参考来源 - 基于协同进化论的自行车与城市形态研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT A bicycle is a vehicle with two wheels which you ride by sitting on it and pushing two pedals with your feet. You steer it by turning a bar that is connected to the front wheel. 自行车
"I started fixin' up ole bicycles fer poor kids."
“我开始为穷孩子们修理旧自行车。”
Of the seven bicycles we had, only two were fit for the road.
我们的七辆自行车中，只有两辆适合这种路。
They are riding their bicycles.
他们正在骑自行车。
The workers use trailer devices which link to their bicycles and can carry up to about one hundred thirty kilos.
VOA: special.2009.12.04
The researchers left a piece of paper on the handlebars of the bicycles while their owners were away.
VOA: special.2009.03.03
Bikes for the World collects bicycles and delivers them at low cost to community programs in developing countries.
VOA: special.2009.11.16
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