perigee motor
常见例句
- 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.
介紹了與LM2E運載火箭配套的固躰近地點變軌發動機（EPKM）的結搆蓡數和在地麪鏇轉試車時出現的頭部燒穿故障。 返回 perigee motor