bascule bridge

• 开河桥,吊桥,竖旋桥,上开桥

bascule bridge的用法和样例：

例句

1. This is the famous suspension bridge on the Tagus.
   这是塔古斯河上有名的吊桥。
2. They were going to cross a precarious suspension bridge.
   他们要渡过一些危险的吊桥。