travelling gantry crane

例句：

1. 1. The travelling gantry crane was used to lift heavy loads from the ground.
   这台旅行起重机被用来从地面吊起重物。
2. 2. The travelling gantry crane was a critical component of the construction site's machinery fleet.
   这台旅行起重机是施工现场机械车队的关键组成部分。
3. 3.The travelling gantry crane was designed to be easily maneuverable and transport large loads across long distances.
   这台旅行起重机设计得易于操控，能够在长距离内运输大型货物。