大家都搜：
主跨
1、main scene───主要景点；主场景；主体现场
2、main───adj.主要的，最大的，最重要的；n.(Main)（美）梅因（人名）；n.（输送水、煤气等的）总管道，主管道；(themains)（水、电等的）供应，供应XiTong；电源插座；海洋，公海；主帆（mailsail的简称）；（掷骰子游戏中）叫数；斗鸡比赛
3、joist span───其中跨度
4、span───n.跨度，跨距；范围；vt.跨越；持续；以手指测量；n.(Span)人名；(捷)斯潘
5、concentration span───注意力持久度
6、main objectives───主要目标
7、span length───杆间距离，跨度距离；跨度距离；杆间距离
8、manageable span───可管理跨度
9、girders span───梁跨
1、The bridge's length at the northern tributary is 2, 172m and its main span is a 3, 165m, which also ranks at the top place in China.───大桥北端引桥的长度为2.172米，它的主跨度为3.165米，这同样名列中国之首。
2、The paper describes in detail the features of the closing of the main span, the construction plan and the detailed closing method and procedure.───文章详细介绍了该桥主跨跨中合龙的特点、合龙的施工方案以及具体的合龙方法和步骤。
3、The 1 596-metre Stonecutters Bridge, with a main span of 1 018 metres, will be one of the longest span cable-stayed bridges in the world.───昂船洲大桥全长1596米，主跨距长1018米，建成后将会成为世界上跨度最长的斜拉桥之一，亦是本。
4、The result shows that the tensioning force of main span is mainly undertaken by rigid frame.───结果表明，中跨系杆张拉力主要由刚构承担。
5、The George Washington Bridge, with a main span of 3500 feet, was the longest suspension bridge in the world when it opened in 1931.───乔治·华盛顿大桥横跨3500英尺，在1931年通车时，它是世界上最长的悬索桥。
6、Jinghang Cannel Bridge is a self-anchored suspension bridge with steel box girder in main span and concrete box girder in side span.───京杭运河特大桥为自锚式悬索桥，主跨采用钢箱梁作为加劲梁，边跨采用混凝土加劲梁。
7、At the transverse, the bottom of pier between main span and approach span is the worse part of this kind of bridges.───对于横桥向，过渡墩墩底的PoHuai最为严重，是此类桥梁中最薄弱部位。
8、The main span bridge floor system (7) is connected with the main arch rib (1) via the suspender (2).───所述主跨桥面系（7）通过吊杆（2）与主拱肋（1）相连；
9、is big, though, with an 800-meter-long-main span that's the largest for a cable-stayed bridge in the nation, and the fifth largest globally.───长800米的大桥是该国最长，世界第五长的斜拉索桥。
1、The George Washington Bridge, with a main span of 3500 feet, was the longest suspension bridge in the world when it opened in 1931.