drag link

drag-link的词性：
n.（名词）

1. A link for transmitting rotary motion between cranks on two parallel but slightly offset shafts, such as the rod connecting the lever of the steering gear to the steering arm in an automobile.
转向纵拉杆：在两根平行但轻度偏置的轴的曲柄间传递旋转运动的连杆，如汽车中联结转向器、操纵杆与转向节的连杆