Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/1d86f7cc46a814e552855dc96680ebb7.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 wastewater renovation例句_wastewater renovation英汉例句_wastewater renovation双解例句_绍翊字体网有道词典
The urgency. necessity and feasibility of wastewater renovation are reviewed from the points of policy, economy and technique in this paper. 本文从政策、经济、技术等方面综述了中水回用的紧迫性、必要性和可行性。