Maintains that the reasonable arrangement and design of the system is the key point to guarantee stable and efficient operation of air conditioning systems.

冷水机组水系统的合理配置与设计，是保证空调系统稳定、高效运行的关键。

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Newly developed conditioning equipment, of which the oversize volume and the rational arrangement of paddles enable material to have sufficient conditioning period, the longest can be up to 180s;

最新研制的具有国际先进水平的新型调质设备，超大容积以及合理的桨叶分布使物料有充分的调质时间，最长可达180秒；

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Among the benefits promised under the new arrangement are a new tube line, a cap on fares, more late-night trains and air conditioning to prevent sweltering summertime conditions.

BBC: Tories propose tube sell-off