与机械设备承包商协调，考虑设备间通风和设备间空间内制冷设备的安装。
Coordinate with mechanical equipment contractor regarding installation of machine room ventilation and cooling equipment in machine room space.
1900年至1950年期间，制冷技术及污水处理的发明便意味着年轻的一代能活得更久。
Between 1900 and 1950, inventions such as refrigeration and sewage treatment meant that young people were able to survive longer.
级间热桥的传热特性对于热耦合型多级脉管制冷机的制冷温度和制冷效率均具有重要影响。
The cooling temperature and the efficiency of a thermally coupled multistage pulse tube refrigerator are significantly influenced by the heat transfer characteristics of the heat bridge.
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