Read Edit View history 制动火箭 zhìdònghuǒjiàn retro-rocket Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 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. Edit Delete References Add reference classifier 制动火箭/制動火箭 → 枚/枚 Edit Delete
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. Edit Delete