bolt that provides a steering joint in a motor vehicle
同义词：kingpin, swivel pin
kingbolt详细解释
king.bolt n.（名词）A vertical bolt that joins the body of a wagon or other vehicle to its front axle and usually acts as a pivot.Also called kingpin 中心销：连接马车或其它车辆的车身和它的前轴的垂直栓销，一般起枢轴作用也作 kingpin
