盈余从美国s。空军固体火箭马达。
即将到来的测试活动将验证系统的火箭马达和推力矢量控制。
The upcoming test campaign will validate the system's rocket motor and thrust vector control.
在卫星上还有一个火箭马达，必要时可以用它来改变卫星的方向。
There is a rocket motor on the satellite by which the direction of the satellite can be changed if necessary.
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