fifth wheel中文什么意思

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]。

• fifth:    n. 1.〔美国〕五分之一加仑(瓶) ...
• wheel:    n. 1.轮，车轮；轮状物。 2.〔 ...
• a fifth wheel:    多余的人或物

例句与用法

更多例句：  下一页

1. Semi - trailer tractors - fifth wheel mounting
   半拖挂车牵引车.试验专用轮的安装
2. Road vehicles - fifth wheel kingpins - strength test
   道路车辆.第五轮中枢销.强度试验
3. Road vehicles - fifth wheels - interchangeability
   道路车辆.第五轮.互换性
4. Motor vehicles - fifth wheel coupling pins - strength test
   汽车半挂车牵引座牵引销强度试验
5. Fifth wheel lead for calculation of length
   长度计算用牵引座前置距

英文释义

名词

1. a steering bearing that enables the front axle of a horse-drawn wagon to rotate
2. an extra car wheel and tire for a four-wheel vehicle
   同义词：spare
3. someone or something that is unwanted and unneeded
   同义词：deadwood