Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
Riecke's principle
oil 李凯原理
tech. 重结晶作用的李凯原理

 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