助推火箭 zhùtuīhuǒjiàn booster rocket Definitions Defs Origin Strokes Stroke Words Sentences Sents 助推火箭 zhùtuīhuǒjiàn booster rocket A power unit used to provide extra thrust to a flight vehicle, which typically detaches after its fuel is spent Cross-References Synonym 助飞器 zhùfēiqì助推器 zhùtuīqì
助推火箭 zhùtuīhuǒjiàn booster rocket A power unit used to provide extra thrust to a flight vehicle, which typically detaches after its fuel is spent Cross-References Synonym 助飞器 zhùfēiqì助推器 zhùtuīqì
