n.列车间的挂钩；牵引车的挂钩
Put in the drawbar to the spindle shaft center hole. 将连接杆放在主轴中心孔。
A power-operated drawbar is employed to pull the tooling at the retention knob. 它是按照微控制器所能理解的词汇，通过各种标准的字（词），代码以及符号来编写。
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。
Based on this study, an integrated test and analysis system for tractor drawbar and noise is developed. 基于以上研究，研制了集成化的拖拉机牵引和噪声测试分析系统。
It is necessary to know and study the drawbar performance of the used driven lyre for the best use of the tractor. 摘要为了更合理的使用施拉机，了解和研究驱动轮胎在使用一段时间后的牵引附着性是必要的。
Experiments were done on the drawbar performance of a single driven tyre 7.50-16 on the different roads.The main drawbar performance constants were gained. 本试验通过单轮实验装置在不同路面上的牵引试验，经过处理数据得到了7.
