制动发动机

Retroengine's firing time must the accuracy control, the firing time differ 1 second, will cause the airship point of descent position difference kilometer.

制动发动机的间必须精确控制，间相差1秒钟，就会使飞船落位置相差数公里。

The airship establishes the returns posture immediately, the returns cabin and the advancement cabin separates, the retrofire, starts from the outer space to the earth's surface returns.

飞船随即建立姿态，舱与推进舱分离，制动发动机，开始从太空向地球。