So when a guest checks out of a hotel the receptionist can adjust the air-conditioning to stop it needlessly chilling the furniture.
这样当客人付账离开旅馆时，接待员就可以调节空调使其不至于毫无用处的冷却家具。
2
Heated air may be circulated to keep fresh produce from incurring chilling or freezing injury.
热空气可能会循环流动，从而保证新鲜农产品不会产生冷害或冻害。
3
This article mainly discusses and analyses in quality how to avoid cavitations occurred in control valve, which is in air-conditioning water system including both chilling and cooling.