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四川省棉麻大厦空调增设工程中的几个问题 【英文篇名】 Design of an extension air conditioning project in Sichuan Mianma Building 【作者中文名】 喻建华; 【作者英文名】 By Yu Jianhua; 【作者单位】 成都华本电脑空调冷冻工程公司; 【文献出处】 暖通空调, HV 空调; 同程式系统; 异程式系统; 自控; 压差; 【英文关键词】 reformation; air conditioning; reversed return system; direct return system; auto control; pressure drop; 【摘要】 指出增设空调工程要与原建筑实际情况相结合，着重介绍了本增设工程中把同程式与异程式、异程式与自控、房间温控与系统压差结合使用的具体做法，提出了应注意的问题。 【英文摘要】 Points out that a careful consideration must be given to consistency of the project with the existing building. Highlights measures taken including combining the reversed return pattern with the direct return pattern, auto control with subsystems of water circuits, and the room temperature control with the system pressure drop control. Also touches some problems in the designing and operating of such an air conditioning system.