bridge crane

例句：

1. 1. The bridge crane was used to lift heavy loads across the river.
   这座桥起重机用来在河上吊起重物。
2. 2. The bridge crane operator had to work quickly to avoid accidents.
   桥起重机操作员必须迅速工作以避免事故。
3. 3.The bridge crane was a critical component in the construction of the new bridge.
   桥起重机是新建桥梁建设的关键组成部分。