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 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 - 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 - 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 - 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 article makes a description of assembly spot welding processes of the center sill and underframe, and the assembling techniques for the locking device and the wooden floor as well. It is instructive to the manufacture of XN 17A flat cars.
介绍了XN17A平车的中梁组焊工艺、底架组焊工艺、锁闭装置组装及木质地板组装工艺，对XN17A平车生产具有指导意义。 - 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。 - 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 - 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 - Development of Tank Car without Underframe
无底架罐车的发展 - 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