|
|
| 21. | paper analyzes and calculates the main working condition of bridge erecting machine JQ600 with box cross |
| 摘要本文根据有限元理论中的特征值屈曲分析方法，对JQ600型箱梁架桥机的主要工况进行了稳定性分析计算。 |
|
|
| | |
| 22. | ensure the normal operation of traffic in construction the continuous box beam's construction adopts cross |
| 为保证在施工期间的交通正常运行,连续梁的施工特采取贝雷杆件组拼支墩和横梁作为支撑系统。 |
|
|
| | |
| 23. | Just then a light flashed up at the end of the streets,a pine branch suspended from a cross-beam of iron |
| 恰好在那条街的尽头，燃起了一盏灯，在半明半暗的暮色中，显出一根松枝，悬在一条曲铁上。 |
|
|
| | |
| 24. | The deformations and the internal forces at a cross section of a beam are taken as state variables to |
| 导出了用变形、力作为混合状态变量表示的求解等截面梁的横向振动固有频率的普遍方程。 |
|
|
| | |