“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	head-tail radio galaxy head-tail structure head tax head tower head unloading zone head-up display headward erosion head wave headway headword Headwork of Zhengguo Canal healant heald frame heald twine healing by first intention healing by second intention Healing Hands healing length health health action process approach health administration punishment health administrative permit health aging Health analysis methods health and epidemic prevention management

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