sliding advance of support

例句：

1. 1. The sliding advance ofthe new model car is impressive.
   这款新车型的滑动式前进设计令人印象深刻。
2. 2. Theengineer designed a sliding advance to improve efficiency.
   工程师设计了一个滑动式推进器以提高效率。
3. 3.The sliding advance was used to stabilize thestructure during construction.
   滑动式推进器被用来在建设过程中稳定结构。