fifth wheel meaning in English
1.半拖车接轮；转向轮；试验(汽车行车距离的)专用轮。
2.备用轮。
3.多余的人[物]。
Examples
- Semi - trailer tractors - fifth wheel mounting
半拖挂车牵引车.试验专用轮的安装 - Road vehicles - fifth wheel kingpins - strength test
道路车辆.第五轮中枢销.强度试验 - Road vehicles - fifth wheels - interchangeability
道路车辆.第五轮.互换性 - Motor vehicles - fifth wheel coupling pins - strength test
汽车半挂车牵引座牵引销强度试验 - Fifth wheel lead for calculation of length
长度计算用牵引座前置距