Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
tool joint pin
dril. 钻杆公接头
oil 外螺纹钻杆接头; 钻杆外接头
tech. 公接头

 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