mobile hoist

例句：

1. 1. The construction crew useda mobile hoist to lift the heavyequipment onto the roof.
   施工队使用移动式起重机将重型设备吊装到屋顶。
2. 2. Theengineer was tasked with riggingup a mobile hoist for the newproject.
   工程师被指派为新项目安装移动式起重机。
3. 3. The mobile hoist wasessential for the demolition work,as it could be easily moved around thesite.
   移动式起重机对于拆迁工作至关重要，因为它可以轻松地在工地周围移动。