Sign in | English | Terms of Use
DictionaryForumContacts

   Chinese ⇄ English
Google | Forvo | +
to phrases
第阶段生化需氧量
tech. first-stage biochemical oxygen demand
第 阶段 生化需氧量: 4 phrases in 1 subject
Technology4

 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