Zhai Zhigang in the extravehicular activities, the orbital module will be placed in the back outside wall of solid lubrication materials.是什么意思_Zhai Zhigang in the extravehicular activities, the orbital module will be placed in the back outside wall of solid lubrication materials.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句