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

• The typical measurement speed methods are mark post measurement method, fifth wheel method, radar speed measurement method and so on in our country.
  在我国，测量速度的典型方法主要有标杆法、五轮仪法、雷达测速法。
• 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
• Nobody wants to be a fifth wheel.
  谁也不愿做个无用的人。
• 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。
• 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
• We decide to fire that worker, he is just a fifth wheel.
  我们决定开除那个工人，他不过是个多余无用之人。
• Fifth wheel welding production line will use flexible design, without changing the hardware wiring and electrical control circuit, you can change the fifth wheel welding process by modifying the corresponding control parameters or change the PLC procedures.
  牵引座焊接生产线将采用柔性化设计，在不改变硬件接线和电气控制电路的情况下，可以通过修改相应的控制参数或者更改PLC程序，即可改变牵引座的焊接工艺。
• 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。
• 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。