Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
Darcy's formula
tech. 达西公式
Darcy’s formula
eng.geol. 达西公式

 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