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manned maneuvering unit
释义
manned maneuvering unit
Encyclopedia
工学
﹝载人装置和设施﹞
释
manned maneuvering unit
载人机动装置
能载航天员在太空自由飞行的个体装备。
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history of ceramics
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history of Chinese bibliography
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更新时间:2025/8/26 16:48:01