This article studies bridge- building conditions of the Han Dynasty mainly through bridge images in stone relief together with brick relief and murals of the Han Dynasty.
本文主要通过汉代画像石中的桥梁图像，并结合画像砖、壁画等，探讨了汉代的桥梁建造状况。
Taking a through bridge with rigid suspender and tie-arch for example, the space stability is analyzed by means of finite element program.
以某下承式刚性吊杆系杆拱桥为实例，利用空间有限元程序对其空间稳定性进行分析。
Gucheng bridge is a steel tube concrete bowstring arch and variable cross section continuous beam composite system through bridge with single load plate.
古城大桥是一座下承式单承载面钢管混凝土系杆拱与变截面连续梁组合体系桥梁。
The practice proves that it needs to be further discussed that the flexible suspenders of a large-span half through bridge are designed as axial tension members.
实践证明，大跨中承式拱桥柔性吊杆按照轴心受拉杆件进行设计的方法有待商榷。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
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