等等，他只为自己保留了载人航天飞船和重型运载火箭。
N. Babakin; and so on, keeping manned spacecraft and heavy launch vehicles for himself.
Delta IV重型运载火箭是Delta系列中最大的，配备三个助推火箭。
The Delta IV Heavy is the largest of the Delta series, packing the punch of three rocket boosters instead of the usual one.
这是准备向前迈进的太空发射系统动，一个新型的重型运载火箭，它可以设想为人类航行宇宙的最新太空船。
That it is prepared to move forward in developing the Space launch System, a new heavy-lift launch vehicle envisioned as mankind's latest ticket to the cosmos.
应用推荐