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

• 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。
• Then select the corresponding modules based on the underframe assembly into 3D models.
  然后根据实际要求选择相应的模块，组装成底架的三维模型。
• Simulation Test and Research for Angle Scheme of Depressed Center Underframe of Depressed Center Flat Car Type D 26
  D（26）型凹底平车凹底架折角方案模拟试验研究
• 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
• 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
• Optimization and Stability Analysis on Big Underframe of Large Scale Depressed Center Flat Car
  大型凹底平车大底架结构的优化及稳定性分析
• Problems Existing in the Underframe Structure of the K Type Coal Hopper Car and Suggestions for Improvement
  K型煤炭漏斗车底架结构存在的问题及改进建议
• 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。
• The small underframe structure is the main load-bearing body in tare special car.
  钻井架，未安在载货汽车上小底架是特种车辆中的主要承载部件。