99婷婷综合国产_精品无码久久久久久电影_熟妇人素无码中文字幕_亚洲一级中文字幕

中文 (中國) English

Advanced treatment and reuse project of phenol cyanide wastewater from coking plant of Xingang

see:1311
Release time: 2021年12月1日

Project Name: advanced treatment and reuse of phenol cyanide wastewater from coking plant of Xingang;
Commencement date: September 13, 2021, expected to be completed by the end of March 2022;
Effect after the completion of the project: zero discharge of coking wastewater will be realized.