引用 硝基丙三醇:液氧罐吧 失重时
那液体是啥，，，，不会是燃料仓吧
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spacex的回收火箭
Liftoff of Falcon 9 and Dragon on SpaceX's fifth official mission to resupply the International Space Station.
Landing Update
Rocket made it to drone spaceport ship, but landed hard. Close, but no cigar this time. Bodes well for the future though.