These clouds not only blocked out the pilots' sight but also damaged the engine system.

这些云团不仅阻挡了飞行员的视线，而且还损坏了发动机系统。

The radio and GPS cut out some time ago, and the manual propulsion system  engines were damaged in the initial collision.

无线电和 GPS 不久前中断了连接，手动推进系统发动机在初次碰撞中受损。

The team said if chosen by NASA to continue with Phase II, it will be centered on improving the performance of the proposed engine, as well as carrying out experiments on major engine systems.

该团队表示，如果被美国国家航空航天局选中继续进行第二阶段，其工作重点将是提高拟议发动机的性能，以及对主要发动机系统进行实验。