wind-screen upper rail 窗框顶条板
Upper Side Rail 上桁材
upper terminal rail support 上顶端导轨支撑
upper frame rail 车架上梁
For the upper rail you can extract the surface edges and use the blend curve command.
对于铁路上，您可以提取表面边缘，并使用混合曲线命令。
Germany famous brand hardware parts and upper rail and bottom runner design ensure smooth operation.
采用德国名牌折叠门专用五金件，上滑轨下滑槽结构，保证了折叠推拉顺畅、开启灵活。
Connection between post, upper rail shall be mounted by taper pin or welding, the specified method refer to the details followed.
立柱与扶手管、杆间采用销钉固定或焊接固定的方式，具体的连接方式见后面的的详细要求。
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