apogee engine
常见例句
- According to preliminary investigations by concerned parties, the cause of the failure was that the satellite's apogee engine was unable to normally operate because of a breakdown in the fuel valve.
据有关方面初步调查，卫星的远地点发动机因燃料阀发生故障不能正常运转是造成失败的原因。 返回 apogee engine