国产欧美在线a一级大片,婷婷色国产偷v国产偷v,亚洲中国一级毛片观看,国产一级黄色视频久久,小骚逼露出一级毛片免费视频,中文字幕动漫精品专区,国产一级片www,特黄毛片一级视频,欧美二区乱码字幕黄色网战无毛亚洲

RETURN

PERFO

Douala Water Supply Project, Cameroon

Design capacity: 150,000m³/d, including 50,000m³/d for Phase I and 100,000m³/d for Phase Ⅱ
It is the largest water puri?cation plant in Cameroon and has brought to a close the water supply issue for over 2 million residents in Douala, the largest city in Cameroon.
The China Overseas Sustainable Infrastructure Project Award and the First Prize of Excellent  Municipal Public Engineering Design Project of Jiangxi Construction Engineering Survey Association.