fifth wheel

英 [fɪfθ wiːl]

美 [fɪfθ wiːl]

网络  第五轮; 多余的人或物; 无用之物; 牵引座; 备用轮

英英释义

noun

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

双语例句

• When a truck-trailer train is turning or under the action of lateral force, A serious cyclic swing often occurs among the towing vehicle, fifth wheel coupling and trailer owing to the interaction between towing vehicle and trailer.
  由于全挂汽车列车的主车与挂车之间的相互作用，在转弯时，或在侧向力的作用下，常常导致主车、转向架和挂车三者之间产生剧烈的周期性摆动现象。
• Tractive force chart Road vehicles& Semi trailer fifth wheel mounting
  牵引力图-汽车的GB/T13880-1992半挂牵引车牵引座的安装
• Nobody wants to be a fifth wheel.
  谁也不愿做个无用的人。
• I felt like a fifth wheel when I stood there.
  我站在那觉得自己多余。
• According to the measurement principle and practice, the fifth wheel method is perfect to be used to measure speed on the hard and flat road.
  根据测量原理及实践可知：五轮仪用在坚硬平直的公路上测速，效果比较理想。
• The real time kinematic ( RTK) fifth wheel for vehicle road tests is successfully developed using GPS carrier phase RTK technology.
  利用GPS载波相位RTK技术研制成了汽车道路试验RTK五轮仪。
• Brought a fifth wheel to take notes.
  带上一个电灯泡。
• When I was young, I always thought that I was the fifth wheel both at home and school, but when I saw the sunshine, I saw hope.
  我年少的时候，我总是觉得我在家里、在学校里都是多余的人，但是，每当我看见阳光，我就看见了希望。
• All the boys and girls were dancing at the party while I sat at a table alone, feeling like a fifth wheel.
  晚会上，所有的男孩和女孩都在跳舞，只有我孤零零地坐在桌边，感觉自己仿佛是一个多余的人。
• A Study on Vehicle Movement Measurement Based on RTK Fifth Wheel
  基于RTK五轮仪研制的汽车运动性能试验研究