underframe

英

美

n.  底架（框）

复数：underframes　第三人称单数：underframes　

英英释义

noun

• the internal supporting structure that gives an artifact its shape
  1. the building has a steel skeleton
  Synonym:skeletonskeletal frameframe

双语例句

• Structural design of electric locomotive car body underframe
  电力机车车体底架结构设计
• Effect of Mesh Sizes on Welding Deformation Prediction Precision of Buicks Underframe Assembly
  网格尺寸对别克轿车副车架总成焊接变形预测精度的影响
• Development of Tank Car without Underframe
  无底架罐车的发展
• The article makes a description of assembly spot welding processes of the center sill and underframe, and the assembling techniques for the locking device and the wooden floor as well. It is instructive to the manufacture of XN 17A flat cars.
  介绍了XN17A平车的中梁组焊工艺、底架组焊工艺、锁闭装置组装及木质地板组装工艺，对XN17A平车生产具有指导意义。
• Design of Bending Scheme of Depressed Underframe of Depressed Car
  凹底平车凹底架折角方案设计研究
• The structure design of bending portion of depressed center flatcar underframe is a key technological problem.
  凹底平车的弓型凹底架，其弯角部的结构设计，是凹底平车设计中的关键技术问题。
• Measures to prevent concentrated loading on front part of underframe in two legs hydraulic powered support& Application of offset valve in hydraulic power system of hydraulic powered support
  两柱式液压支架防止底座前端集中受载的措施&支架液压系统中补偿阀的应用
• Early diesel loco often is designed as lower power and running speed with stronger underframe strength, but as higher diesel power and running speed is needed, advanced weight-lighten requirements was raised up.
  早期内燃机车功率小、运用速度较低，车体底架强度设计得很大。随着机车功率的加大和运用速度的提高，对机车车体轻量化提出了较高的要求。
• The Finite Element Calculation on the Underframe Strength of Railway Tank Cars
  铁路罐车底架的有限元强度计算
• The paper presents the structure and manufacture requirements of the center-depressed underframe assembly for 320-ton center-depressed flat wagon.
  介绍了320t凹底平车凹底架组成的结构及制造要求。