彩神app

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                        综合管廊,就是地下城市管道综合走廊,即在城①市地下建造一个隧道空间,将电力、通信,燃气、供热、给排水等各种工程管线集于一体,设有专门的检修口、吊装口和监㊣ 测系统,实施统一规ㄨ划、统一设计、统一建设和管理,是保障城市运行的重要基础设施和“生命线”。

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