第二級火箭 的英文怎麼說
中文拼音 [dìèrjíhuǒjiàn]
第二級火箭
英文
second-stage rocket-
The v-2 pushed the two-stage rocket to an altitude of 20 miles and then broke away.
V2將第二級火箭推到20英里的高度,然後脫落。After the first stage burns out, it falls back to earth along a parabolic path, while the engines of the second stage fire to thrust the rocket into an earth orbit
當第一級燒毀后,沿拋物線的軌道落到地球,而第二級的發動機點火把火箭發射到地球軌道。The v - 2 pushed the two - stage rocket to an altitude of 20 miles and then broke away
V ? 2將第二級火箭推到20英里的高度,然後脫落。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
此時,第二級火箭已飛出稠密大氣層,飛船不再需要整流罩的保護了。分享友人