Hanoi to call investors to build VND 1,800 billion Dong Ke Waste Treatment Plant https://t.co/IzbaWqdpSr article_right_top<p>HANOI, March 5 (Engineering Daily) -- The Management Board of construction, investment projects on water supply, drainage and …
— Waternews (@goodwaternews) March 18, 2018
2018년 3월 18일 일요일
수처리 뉴스 공유 March 19, 2018 at 08:27AM
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