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 - 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。 - 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 - Development of Tank Car without Underframe
无底架罐车的发展 - 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。 - 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。 - 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 - 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。 - Analysis of the underframe sinking of hydraulic support in fully mechanized mining face
综采工作面液压支架底座扎底分析 - 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