“mine personal regional positioning system”的概念、定义、翻译、参考文献-科学参考

单词	mine personal regional positioning system
释义	mine personal regional positioning system Encyclopedia 工学矿山安全避险六大系统释 mine personal regional positioning system井下人员定位系统用于监测矿山井下人员所在位置的系统。
随便看	Lijin Xian Li Jinzhi Li Jinzhong Li Jiqian Li Jiwei Li Jiye Li Ju Lijuba Dao Li Jue Li Jun Li Junmin Li Junweng Poetic Talks Li Junxian Li Junyu Poems Li Kai Li Kaiwen Li Kaixian Li kaixian Li Kaixian’s family opera troupe Li Kan Li Kang Likasi like dissolves like like-dissolves-like Li Keji

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