side rail

基本解释

They can also easily add and remove friends, or chat with them, on the left-side rail.
他们还可以使用左侧的工具栏轻松地添加和删除朋友，或者与他们聊天。
The analysis showed that it was the impact force of shock absorber that resulted in the fracture of side rail.
分析结果表明：减震器支架在车辆行驶过程中对纵梁的冲击导致了纵梁的开裂。
At the same time, analyze the welding deformation of straight-line segment model of side rail, and compare the results with test data, verify this method is efficient.
同时，针对汽车纵梁部分直线段模型进行焊接变形分析，并与试验数据进行了对比，验证了该方法的有效性。

Yet the car's body is 25% stiffer than its predecessor because key parts of the frame--like the center post that supports the car body during side collisions and the roof side rail that connects the sides of the roof--are made of ultra-high-strength steel created through a process called hot stamping.
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