Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
oil country tubular goods
mech. 石油行业用管材
met. 油井钢管
steel. 石油管; 油井管
tech. 油田用管材设备; 石油工业用管材

 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