桥上桥

“桥上桥”是大件运输中通过中小跨径桥梁的一种方法。

Appling temporary steel bridge is a method of passing bridge which span is not bigness in heavy-cargo transportation .

详细论述了桥上桥设计的计算过程和实践效果。

This paper introduces the whole design and calculation of temporary steel bridge .

赤水桥上桥与生态环境变迁

The Overlapping Bridges on the Chishui River and Ecological Environment Change

我走到一座桥上，桥旁有一座房子，桥上有一个年轻人。

I came to a bridge by a house , and there , on the bridge , was a young man .

通常为了获得较高的逆变输出，会在逆变器的前端增加升压电路构成两级式逆变器，经过两级变换不仅降低了效率，而且严格禁止逆变桥上下桥臂直通状态的发生。

Usually , in order to obtain a high output voltage , a boost circuit would be added to the front-end of the inverter to compose a two-level inverter . That structure reduces the efficiency and strictly prohibit the shoot-through state of the inverter bridge .

他站在桥上，凝视着桥下的河水。

He was standing on the bridge gazing down at the river beneath .

众多朝圣者和家人聚集在临时搭建的竹桥上，导致竹桥因不堪重负而倒塌。

A temporary bridge made of bamboo collapsed during a heavy rush of people , mainly devotees and their family members .

这场意外发生在一个通往金边和钻石岛的桥上。这座桥是作为当晚庆祝活动的举办地。

The accident took place on a bridge that connects the city with the Diamond Island which has became the center of celebrations .

本文化述了现有铁路简支梁桥结构计算，桥上线路养护和桥上铺设无缝线路等方面存在的问题；

Problems occurred in the structural calculation of existing railway bridge with simply supported beams , the track maintenance and the track laying of jointless rail on the bridge , etc , are discussed in this paper .