“orbital replaceable units”的概念、定义、翻译、参考文献-科学参考

单词	orbital replaceable units
释义	orbital replaceable units Encyclopedia 工学（航天产品可靠性）释 orbital replaceable units; ORU在轨可更换单元航天器在轨可进行移动、检查、更换、维修的最低层次单元。
随便看	imperial prince of the first rank imperial princess of the first degree Imperial Printing Office Mannual for Movable Type imperial prison Imperial Procession Guard Imperial Reading Room imperial seals of the Early Qing Dynasty Imperial Steles and Cliffside Inscription at Mulan Hunting Ground Imperial Summer Resort Imperial Summer Resort， Chengde imperial thorny oyster Imperial Timber Restore Factory Imperial Tomb of Chu at Shizishan Imperial Tomb of Chu at Xiaoguishan Imperial Tombs of Chu of Han Dynasty in Xuzhou Imperial Tombs of the Ming and Qing Dynasties World Culture Heritage Imperial War Museums Imperil Constitution Campaign Imperil Tientsin University Imperil University of Peking imperishability imperishable imperishably impermanence impermanent

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