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 - 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 - Analysis of assembly welding techniques for center sill and underframe of the 18.4 m container flat wagon
18.4m集装箱平车中梁、底架组焊工艺分析 - 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 - Problems Existing in the Underframe Structure of the K Type Coal Hopper Car and Suggestions for Improvement
K型煤炭漏斗车底架结构存在的问题及改进建议 - 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 - 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 - 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。