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
- Condition-based maintenance of locomotives Development of Tank Car without Underframe
机车的状态修无底架罐车的发展 - 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 - 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。 - 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 - 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。 - 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 - 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。