apogee engine
常見例句
- 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.
據(jù)有關(guān)方面初步調(diào)查，衛(wèi)星的遠(yuǎn)地點(diǎn)發(fā)動機(jī)因燃料閥發(fā)生故障不能正常運(yùn)轉(zhuǎn)是造成失敗的原因。 返回 apogee engine