sectoring device

例句：

1. 1.The new model car features a sleek and efficient sectoring device that improves fuel efficiency.
   这款新型汽车配备了一个光滑高效的扇形装置，提高了燃油效率。
2. 2. The engineer used a sectoring device to cut the wire into small pieces for easy disposal.
   工程师使用扇形装置将电线切割成小块以便轻松处理。
3. 3. The sectoring device was designed to minimize the risk of accidents during construction work.
   扇形装置的设计旨在最小化施工过程中发生事故的风险。