Sign in | English | Terms of Use
DictionaryForumContacts

   Chinese ⇄
Google | Forvo | +
to phrases
时间加权平均浓度
earth.sc. time-weighted mean concentration
tech. time-weighted average concentration
时间加权平均浓度
: 1 phrase in 1 subject
Drilling1

 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