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
- the building has a steel skeleton
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。 - Terms for railway vehicle parts; underframe, underframe for electric locomotives.
有轨机动车部件的名称。底盘。电动机车的底盘。 - Thanks for allowance stress and displacement of the underframe, continuous structural optimization is made on it by means of the optimization functions of I-DEAS.
由于大底架结构强度、刚度储备比较大，我们使用I-DEAS软件的Optimization模块对其进行了连续变量结构优化设计。 - 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。 - 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 - Finite element analysis for an articulated underframe of railway freight car body
铰接式货车车体底架有限元分析 - 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 - This article offers the analysis of the small underframe structure in the well car and the calculation of its stability as well.
文中对特种车辆小底架进行了结构分析及稳定性计算。