以下为句子列表：
英文: A general air-conditioning system is calculated, which indicates that the temperature difference must be less than 12.8℃ and 9.2℃ and 10℃ respectively in cool air distribution system, chilled water system and cooling water system.
中文: 计算表明，对于常规空调设计参数，大温差送风的送风温差不宜超过12.8℃；大温差冷冻水的供回水温差不宜超过9.2℃；冷却水大温差技术在冷却水供回水温差小于10℃时总是适用的。
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英文: Abstract: Connecting with example this paper introduces the rational application of bypass pressure fixing and secondary pumping system in air conditioning's cooling water system of tall buildings.
中文: 文摘:本文结合实例介绍了旁通定压和二级泵系统在高层建筑空调冷水系统中的合理应用。该技术节约了设备初投资和运行费用，使系统的运行曲线和设计水压线相吻合。
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英文: Abstract: This article presents the reason and mechanism of waterside corrosion of condenser's tube, which is related to water quality and water speed, pipe material and treatment of cooling water and additional protection and cleaning method.
中文: 文摘:介绍了凝汽器冷却管水侧腐蚀原因和机理，与冷却水质和水速有关，还与管材和冷却水处理诸因素有关，也和附加保护及清洗方式有关。
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英文: Analyze the origin and harm of the microorganism in circulating cooling water system, Proposed the methods of continuously adding the oxidized disinfectant sodium hypochlorite and the biology dispersing agent, And regularly adding the highly effective bro
中文: 摘要对炼油循环水中微生物的来源及危害进行了分析，提出了连续投加氧化性杀菌剂次氯酸钠与生物分散剂，定期投加广谱高效的非氧化性杀菌剂的方案，并总结了炼油厂介质泄漏判断及检测办法。
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英文: At the rear end of the crankshaft is attached the flywheel, and at the front end are the driving wheels for the timing gears, fan, cooling water and alternator.
中文: 曲轴的后端连接着飞轮，前端是连接着定时齿轮，风扇，冷却水和交流发电机的驱动轮。
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