stacking crane

例句：

1. 1.The stacking crane is used to lift heavy loads from the ground.
   堆叠式起重机用于从地面举起重物。
2. 2.The stacking crane was designed for efficient loading and unloading of cargo.
   堆叠式起重机被设计用来高效地装卸货物。
3. 3.The stacking crane has a unique design that makes it easy to maneuver around tight spaces.
   堆叠式起重机具有独特的设计，使其在狭窄空间中易于操作。