Canada's largest city has been pioneering the idea that instead of using electricity to power air conditioning, a useful supply of cold can be directly extracted from the environment.

加拿大最大的城市已经率先使用这一想法来取代利用电力来进行空气调节，在这里可利用的冷却资源供给可以直接从环境中获得。

youdao

The CPV cells also supply the energy for PV-module trackers, the monitoring and control system and an air-conditioning unit that cools the utility room of the facility.

同时，聚光电池还可以为光伏追踪系统、监视系统以及用以给存放相关设备的储物间降温的空调系统供电。

youdao

The mobile power supply and air-conditioning units are mounted on trailers.

移动电源和空调设备安装在拖车上。

youdao

It can end up in artificial water supply systems, including air conditioning systems, water services and cooling towers.

BBC: Legionnaires' Disease bacteria