As of the end of 2012, the number of sewage treatment plants in cities and counties in China was 3,340; sewage treatment capacity was approximately 142 million cubic meters / day, showing an increase of 6 million cubic meters / day compared with the end of 2011. There are 648 cities establishing sewage treatment plants, […]
from Africa Punch http://ift.tt/1cTOw8O
via IFTTThttp://ift.tt/1cTOw8O
from Africa Punch http://ift.tt/1cTOw8O
via IFTTThttp://ift.tt/1cTOw8O
No comments:
Post a Comment