... 槽形结构 bathtub construction 叉形结构 fork configuration; fork structure 敞形结构 open structure ...
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First of all, a bicycle is divided into several parts such as front fork, saddle, handlebar and so on through analyzing its configuration and assembling characteristics.
首先，在对自行车的结构及其装配特点进行分析的基础上，将自行车拆分成车架、前叉、车把等部分。
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