telescopic hoist boom

例句：

1. 1. Theengineer used a telescopic hoist boom to lift the heavy equipment.
   工程师使用伸缩式起重臂来提升重型设备。
2. 2. The construction crew was using a telescopic hoist boom to move the beam across the bridge.
   建筑工人正在使用伸缩式起重臂将梁从桥上移动。
3. 3. The constructors were using a telescopic hoist boom to install the new roof tiles.
   施工队正在使用伸缩式起重臂安装新的屋顶瓦片。