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1)  wide changed bridge
变宽桥梁
2)  bridge widening
桥梁拓宽
1.
With the development of economics and bridge engineering in China, bridge widening project is becoming more and more important.
随着我国经济建设和道路桥梁事业的发展,桥梁拓宽工程将越来越多地呈现在我们面前,如何做好旧桥拓宽改建工作是摆在桥梁建设者面前的一个课题。
2.
This paper reviews practice and methods of bridge widening in our country and foreign countries, mainly studies the concrete stitches under traffic loads.
本文总结了国内外各种桥梁拓宽方法和实践,主要针对上部结构相连的拓宽桥梁,研究了持续交通荷载下连接新旧桥面板的现浇混凝土接缝问题。
3)  bridge widening
桥梁加宽
1.
The design of bridge widening scheme in Zheng-Luo expressway reconstruction and extension;
郑漯高速改扩建工程桥梁加宽方案设计
2.
On bridge widening design in expressway reconstruction project;
高速公路改扩建项目的桥梁加宽设计
3.
Based on the highway reconstruction and bridge widening engineering in loess areas,a 13-meter-long simple-supporting hollow bridge with 3 apertures is taken as an example.
依托黄土地区高速公路改扩建桥梁加宽工程,选取一座3孔13 m简支空心板桥,分析新增空心板梁对旧桥原有板梁的影响。
4)  wide box girder bridge
宽箱梁桥
5)  overall width of bridge
桥梁全宽
6)  wide steel-box-girder bridge
宽钢箱梁桥
补充资料:场致变宽
分子式:
CAS号:

性质:主要指电场与磁场的影响使谱线变宽。前者称斯塔克变宽(Stark broadening),由外部电场或带电粒子和离子形成的电场引起;后者称塞曼变宽(Zee-man broadening),由电磁场和永久磁场引起。在原子吸收分析条件下,电场强度很弱,可忽略不计;后者在强磁场作用下,谱线发生分裂,可用于背景校正。

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