| 释义 |
〔kingbolt〕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〔tongue〕The harnessing pole attached to the front axle of a horse-drawn vehicle.辕杆：马车前轴上固定着的控制马匹的长杆〔pole〕The long, tapering wooden shaft extending up from the front axle of a vehicle to the collars of the animals drawing it; a tongue.车辕：从一辆车的前轴延伸到牵引该车的动物身上所套颈圈上的一根长的、由粗变细的木杆；辕杆 |