Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
gas check valve
compr. 闭气阀
tech. 煤气止回阀; 气阀

 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