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
- 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 - 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。 - 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。 - 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 - Effect of Mesh Sizes on Welding Deformation Prediction Precision of Buicks Underframe Assembly
网格尺寸对别克轿车副车架总成焊接变形预测精度的影响 - 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。 - 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 - 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。 - 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 - Then select the corresponding modules based on the underframe assembly into 3D models.
然后根据实际要求选择相应的模块，组装成底架的三维模型。