... 太空行走和太空对接：space walks and dockings 主力火箭：main rockets 发射台：launch pad ...
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The weight of the lunar module, on top of the command and service module, was the main reason why the Saturn V rockets that shot Apollo astronauts into space needed to be the tallest, heaviest and most powerful ever flown, a record they still hold.
ECONOMIST: Space lifts
Rockets have also struck the main road through town.
NPR: Rockets Drive Israelis into Bomb Shelters
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