VRV aircon system for more precise control of operating costs and internal environment.

VRV空调系统方便用户更精确地控制室内温度及实际运营开销.

So, don't put the dry ice inside your car if you are using aircon with fully closed windows.

因此，你们不可以将干冰放在关上窗开着冷气的汽车里。

In conventional vapour-compression systems used by aircon units, the refrigerant is compressed and condensed and then expanded and evaporated to cool the room.

空调设备使用的传统的蒸发压缩循环系统中，冷却剂被压缩冷凝后膨胀气化来给房间制冷。