rail unloading crane

例句：

1. 1.The railway unloading crane is usedto transport goods onto and off the train.
   铁路卸载起重机用于将货物从火车上卸下和装上。
2. 2. The crane operatorcarefully maneuvers the heavy load ontothe platform.
   起重机操作员小心翼翼地将重物移到平台上。
3. 3. The unloading process requiresprecise coordination between the crane operator andthe workers.
   卸载过程需要起重机操作员和工人之间精确的协调。