Sign in | English | Terms of Use
DictionaryForumContacts

   Chinese ⇄ English
Google | Forvo | +
美国石油学会技术规范
chem. API specification
美国石油学会〔规定的〕技术规范
earth.sc. American Petroleum Institute Specifications

 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