The generation of foul smell in urban drainage facilities is inevitable and very harmful, and the distribution of foul smell source is of certain regulation.
城市排水设施中恶臭的产生有其必然性和极大的危害性，恶臭源的分布也具有一定的规律性。
The generation of foul smell in urban drainage facilities is inevitable and very harmful, and the distribution of foul smell source is of certain regulation.
城市排水设施中恶臭的产生有其必然性和极大的危害性，恶臭源的分布也具有一定的规律性。
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