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 impacts of transverse and longitudinal shrinkage of welding seam on underframe positioning.
以及焊缝横向、纵向收缩对底架定位的影响。 - 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 - 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 - 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。 - In this paper, the recent development of coal car with aluminium carbody and advantage of coal car with channel form underframe and trend of reformation from steel carbody to aluminium carbody.
介绍铝制车体运煤车的最新发展，槽形底架煤车的优点，以及钢制车体煤车改造成铝制车体的动向。 - With the finite element method, the comparison and analysis of structure strength with several schemes are made in structure type and dimensions of the depressed center underframe.
通过有限元对结构形式和尺寸进行了多方案结构强度比较分析，最后确定凹底架的结构形式为折角式。 - 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。 - Analysis of the Optimized Model Selection of Large Underframe on Schnabel Car Type D 38
D（38）型钳夹车大底架结构优化选型分析 - 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。 - 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。