Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
three piping system
archit. 三管道热水管、冷水管和回水管配置式
three-piping system
tech. 三管配置方式

 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