Hotel pays a monthly charge to Central Holding based on the actual amount of chilled water consumed as computed by the BTU sensors (flow and temperature sensors) installed on the chilled water pipes.

• 酒店支付，每月收费为基础的中央控股的实际数额冷却水消耗计算机的瓦传感器（流量和温度传感器）安装在冷却水管道。