... 双频率制电力机车||dual frequency electric locomotive 双曲拱||two-way curved arch, cross-curved arch 双室风缸||two-compartment reservoir ...
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The principle of this paper is compatible with each kind of arch aqueducts, such as double-curved arch aqueduct, ribbed arch aqueduct, trussed arch aqueduct etc.
本文原理对双曲拱渡槽、肋拱渡槽和桁架拱渡槽等，都是适用的。
The result shows that it is best to compute the transverse distribution coefficient of the two-way curved arch bridge using the method of a continuous beam with elastic supports.
而其横向分布系数随着计算方法变化和加固而发生变化。重点对恩施州建始县双曲拱桥横向分布系数进行详细研究。
That invention was the arch, a curved structure originally made of separate stone or brick segments.
这一发明就是拱门，一种最初由分段的石头或砖块组成的弧形结构。
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