launch escape system造句

例句与造句

1. The present payload consists of a lunar excursion module, a service module, a command module and a launch escape system .
   现在的有效载荷包括登月舵、服务舵、指挥舵和发射逃逸系统。
2. It's difficult to find launch escape system in a sentence. 用launch escape system造句挺难的