n.列车间的挂钩，牵引车的挂钩，拉杆...

Put in the drawbar to the spindle shaft center hole.将连接杆放在主轴中心孔.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....

drawbar的音标：drawbar的英式发音音标为：['drɔ:ˌbɑ:]drawbar的美式发音音标为：['drɔˌbɑ]...