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桥有哪些种类
更新时间: 2020-11-02 00:00:00  

桥的种类有三大类,分别是梁桥、拱桥和吊桥,这三种类型的桥都发挥着不同的交通作用。通常桥是用来跨越障碍的大型构造物,最早桥是用来专指跨水行空的道路。桥的目的是允许人、车辆、火车或船舶穿过障碍。桥可以打横搭着谷河或者海峡两边,又或者起在地上升高,槛过下面的河或者路,让下面交通畅通无阻。

关键词: 哪些 种类

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