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
- 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 - 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。 - 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。 - 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 - 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 - 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。 - Reason analysis of cracking in DPU-30 locomotive underframe and its improvement
DPU-30型机车底架裂纹和改进的分析研究 - 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 - 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