N a strong metal bar on a tractor, locomotive, etc, bearing a hook or link and pin to attach a trailer, wagon, etc (卡车、火车等)拖钩
The suitcase body is provided with an adjustable drawbar and roller wheels.
箱体设置有可调拉杆和滚轮。
This method is also suitable for locomotive horizontal drawbar kinetic analysis.
该方法同样适用于机车水平牵引拉杆的运动学分析。
The Y-frame drawbar is constructed from two solid beams that can bear more loads.
牵引架为Y字型实心梁结构,能承受更大的负荷。
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