perigee motor

常见例句

双语例句

• The configuration parameters of the perigee kick motor mating to LM 2E launch vehicle (EPKM) and its head ablation failures during ground spinning test firings are introduced.
  介绍了与LM2E运载火箭配套的固体近地点变轨发动机（EPKM）的结构参数和在地面旋转试车时出现的头部烧穿故障。
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