expendable engine造句

例句与造句

1. Because it was initially developed as an expendable engine, the Viper was subject to many recurring maintenance issues.
2. IHPTET designated goals in each of three engine classes : turbofan / turbojet, turboprop / turboshaft, and expendable engines.
3. This is a problem for expendable engines as well as reusable ones, because engines must be ground-fired some number of times before launch.
4. Like the similar J85 built in United States, the Viper was developed as an expendable engine for powering production versions of the Jindivik target drone, but, again like the J85, the limited-life components and total-loss oil systems were replaced with standard systems for use in manned aircraft.
5. It's difficult to find expendable engine in a sentence. 用expendable engine造句挺难的