rotating beam chopper

例句：

1. 1. The rotating beam chopper is used to cut through thick concrete.
   旋转梁切割机用于切割厚混凝土。
2. 2. The rotating beam chopper is a crucial tool for demolishing buildings.
   旋转梁切割机是拆除建筑物的关键工具。
3. 3. The rotating beam chopper was developed by a team of engineers who were tasked with developing new cutting tools.
   旋转梁切割机是由一支工程师团队开发的，他们的任务是开发新的切割工具。