Drawbar Organ爵士风琴;音栓风琴
drawbar trailer牵引挂车;挂车
slackless drawbar无间隙牵引杆
drawbar test牵引试验
drawbar stay牵引钩卡子
retractable drawbar伸缩式联结装置
free drawbar铰接牵引杆
drawbar height联结点高度;牵引点高度
drawbar pun牵引杆拉力
N（名词） 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