revolving excavator

例句：

1. 1. Therevolving excavator is usedfor deep mining operations.
   旋转式挖掘机用于深部采矿作业。
2. 2. The construction crew wasusing a revolving excavatorto clear the area.
   施工队正在使用旋转式挖掘机清理区域。
3. 3. Therevolving excavator has become an essential toolin modern construction.
   旋转式挖掘机已成为现代建筑中不可或缺的工具。