drawbar
n. 列车间的挂钩;牵引车的挂钩
例句
Terry Allen burning off bolts on drawbar center casting.
特里·艾伦烧制螺栓在拉杆上中心铸造。
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。