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In den Warenkorbpaperback. Zustand: New. Paperback. Pub Date: 2018-10-01 Pages: 128 Language: Chinese Publisher: Ocean Press The main content of this book is to develop Qinhuangdao from the aspects of concentration control and biological toxicity control under the premise of implementing total pollutant discharge control. The city's land-based pollutants are discharged to the sea limit. and according to the water-power exchange conditions of the coastal waters of Qinhuangdao. the marine functional area environment.