roll-cut excavator

例句：

1. 1. Theroll-cut excavator is usedfor deep mining operations.
   滚剪式挖掘机用于深部采矿作业。
2. 2. Theengineers designed the roll-cut excavator tomeet the specific needs of the constructionsite.
   工程师们设计了滚剪式挖掘机以满足施工现场的具体需求。
3. 3. Theroll-cut excavator has become a popular choicefor large-scale construction projects.
   滚剪式挖掘机已成为大规模建设项目的热门选择。