单词	space activities
释义	space activities 航天
随便看	electrical blasting cap electric al blasting cap electrical block electrical block diagram electrical blocking electrical blower electrical boiler electrical bonding electrical booster electrical bore comparator gauge electrical boresight electrical bore sight electrical boresighting electrical boresighting adjustment electrical boresight of antenna electrical born electrical box electrical brain stimulation electrical brake electrical brake device electrical brake of hydrogenerator electrical braking electrical braking device electrical braking method electrical braking system