制动火箭 zhìdònghuǒjiàn retro-rocket Definitions Defs Origin Strokes Stroke Words Sentences Sents 制动火箭 制動火箭 zhìdònghuǒjiàn retro-rocket A rocket engine on an aircraft or missile that fires in the opposite direction of travel to slow its speed. Cross-References Classifier 枚 méi
制动火箭 制動火箭 zhìdònghuǒjiàn retro-rocket A rocket engine on an aircraft or missile that fires in the opposite direction of travel to slow its speed. Cross-References Classifier 枚 méi
