A Delta Four Heavy rocket stands 235 feet tall and is actually made up of three boosters.
德尔塔- 4 “重型火箭高235英寸,实际上是由三个助推器组成。”
The Delta IV Heavy is the largest of the Delta series, packing the punch of three rocket boosters instead of the usual one.
Delta 4型重型运载火箭是Delta系列中最庞大的,它配备了三支火箭推进器,而一般型号只有一支。
The Delta IV Heavy is the largest of the Delta series, packing the punch of three rocket boosters instead of the usual one.
Delta IV重型运载火箭是Delta系列中最大的,配备三个助推火箭。
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