motocrane

例句：

1. 1. The motocrane was used to lift heavy loads from the ground.
   起重机被用来从地面举起重物。
2. 2. The motocrane operator had to be careful not to damage the equipment.
   起重机操作员必须小心，以免损坏设备。
3. 3. The motocrane was a vital tool in the construction industry.
   起重机是建筑行业的重要工具。