Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
to phrases
optical sight system
el. 光学瞄准系统
space 光学瞄准具系统
optical sight system: 3 phrases in 1 subject
Aviation3

 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