| 释义 |
HVAC ˈeɪtʃvæk Economist²⁶⁷⁷⁸⁺⁵
基本例句
=heating ventilation and air controlling¹⁰⁰
Staying at a hotel or using a specific number of IT devices are such activities, because the hotel, provides its customers with lighting, HVAC, water treatment, laundry services, etc.
居住在宾馆或使用某些 IT设备都属于这个类别，因为宾馆为客户提供照明、空调设备、水处理和洗衣服务等。 ibm |