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。
The upper front part of a saddle; a saddlebow.
前鞍桥马鞍前面的上部分；
A saddle point and horse shoe vortex were formed in the front of the hole because of the rigid body character of coolant jet near the hole.
射流在出口附近具有刚体的特性，并在射流前方形成了鞍点及马蹄涡。
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