The project of Beijing economic and technical development area was a geat attempt at the construction of municipal wastewater plant in BOT mode.
北京经济技术开发区污水处理厂的建成是对于以BOT形式建设市政污水处理设施的一次伟大尝试。
The project of Beijing economic and technical development area was a geat attempt at the construction of municipal wastewater plant in BOT mode.
北京经济技术开发区污水处理厂的建成是对于以BOT形式建设市政污水处理设施的一次伟大尝试。
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