例句與造句

1. Inside the winding engine house, supplementing the winding engine is a smaller jack engine, housed in the rear.
2. It is believed the Silksworth engine was retained because it was powerful enough to serve as a backup winding engine, and could be used to lift heavy equipment ( i . e . the same role as the jack engine inside the winding house ).
3. It's difficult to find jack engine in a sentence. 用jack engine造句挺難的