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

• Some Problems in Designing of the Fifth-Wheel Meter
  五轮仪设计中的几个问题
• Brought a fifth wheel to take notes.
  带上一个电灯泡。
• 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。
• 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。
• Nobody wants to be a fifth wheel.
  谁也不愿做个无用的人。
• Author, using the basic theory of random vibration, has obtained a right expression by attentive derivation and the same result with TSO 8608 and GB 7031& 86. This paves the way for establishing an equation to calculating road pavement spectrum measurement by fifth wheel.
  笔者运用随机振动基础理论，经过仔细推导得出正确的表达式，与TSO8608及GB7031&86取得一致的结果。从而为第五轮测量路面谱计算公式的建立铺平了道路。
• 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。
• 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。
• 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。
• 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。