The real trick there is to get free cooling days, which means on a cooler day we’re just circulating chilled water and opening a window, so to speak.
真正的挑战是实现免冷却日，比方说，在凉快一些的日子里，我们会仅让冷却水循环并打开窗户。
In order to save energy, when refrigeration system using water frozen water units + free cooling system, have refrigeration, precooling, free cooling three operating mode.
为了节约能源，当制冷系统采用水冷冷冻水机组+自由冷却系统时，有制冷、预冷、自由冷却三种运行模式。
Various energy conservation technologies incorporated for water chillers such as heat recovery, ice-thermal storage and free cooling are also introduced.
先进的离心式冷水机组不仅具有制冷功能，而且具有热回收、冰蓄冷、免费取冷等多种功能，节能效果显著。
Free cooling takes advantage of the temperature difference between the outside air and the return water to cool the water before returning it at a lower temperature to be chilled.
自然制冷系统利用的是外界空气与回水的温差，使它在回流到系统之前先将水温降到一个低值。
Mineral oil free, water-miscible cooling lubricants, mainly for drilling, turning, milling, thread cutting, sawing, vibratory grinding, vibratory finishing.
不含矿物油、水溶性的冷却液，主要用于钻孔、研磨、螺纹切削、锯削、振动磨削、振动抛光。
Mineral oil free, water-miscible cooling lubricants, mainly for drilling, turning, milling, thread cutting, sawing, vibratory grinding, vibratory finishing.
不含矿物油、水溶性的冷却液，主要用于钻孔、研磨、螺纹切削、锯削、振动磨削、振动抛光。
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