Sign in | English | Terms of Use
DictionaryForumContacts

   Chinese ⇄ English
Google | Forvo | +
空间望远镜轴向替换修正镜
space corrective optics space telescope axial replacement
空间望远镜轴向替换像差修正镜
space corrective optics space telescope axial replacement (美国哈勃望远镜上的)

 The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error | Get short URL | Language Selection Tips