second-stage rocket 中文意思是什麼
second-stage rocket
解釋
第二級火箭-
Perched on the shoulders of the booster is the second stage, the most powerful hydrogen-fueled rocket ever built.
放在助飛火箭上的是第二節,那是迄今製造的最強大氫燃料火箭。 -
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。 -
Its main components include four liquid fuel boosters, first rocket stage, second rocket stage, fairing and escape tower. it is the longest and heaviest among all chinese launch rockets
火箭由四個液體助推器芯一級火箭芯二級火箭整流罩和逃逸塔組成,是目前我國所有運載火箭中起飛質量最大長度最長的。 -
The rocket rises and we can see the second stage ignite
火箭升高了,我們可以看到二級點火。
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