arch bridges

• 拱桥

arch bridges的用法和样例：

例句

1. Floor-beam webs have cracked in tied arch bridges.
   在系干拱桥的横梁腹板上发生裂纹。
2. The double-curved arch bridge is a bridge type for medium and small span.
   钢筋混凝土双曲拱桥是中小跨径常用的拱桥形式。