第二级火箭 meaning in English
second-stage rocket
Examples
- The v-2 pushed the two-stage rocket to an altitude of 20 miles and then broke away .
V2将第二级火箭推到20英里的高度，然后脱落。 - The v - 2 pushed the two - stage rocket to an altitude of 20 miles and then broke away
V ? 2将第二级火箭推到20英里的高度，然后脱落。 - The v - 2 pushed the two - stage rocket to an altitude of 20 miles and then broke away
V 2将第二级火箭推到20英里的高度，然后脱落。 - The fairing offered heat and aerodynamic protection for the spacecraft during the initial phase and was no longer required as the second stage had left the dense atmosphere
此时，第二级火箭已飞出稠密大气层，飞船不再需要整流罩的保护了。