1.
Evolution and Evaluation of Research in Air Conditioning Ventilation Duct System Cleaning
空调通风系统清洗研究的进展与评述
2.
The Effect of Cleaning of Air Conditioning and Ventilating System Working on Energy Consuming and the Evaluating Method;
空调通风系统清洗对能耗的影响及评价方法
3.
Status and problem of ventilation system cleaning industry of central air conditioning in china;
我国中央空调通风系统清洗行业的现状和问题
4.
Analysis of Air Supply Quality of Central Air-conditioning Ventilation System in Building before and after Cleaning
集中空调通风系统清洗前后空调送风卫生质量分析
5.
The design of cleaning equipment control device of air duct system in heating ventilation and air-conditioning system
通风与空调系统中风管系统清洗设备控制装置的设计
6.
Assessment of the air quality improment of cleaning and disinfection on central air-conditioning ventilation system
清洗消毒对集中空调通风系统空气质量改善效果的评价
7.
Study on Pollution Levels and of Cleaning Effect Assessment on Central Air Conditioning Ventilation Systems;
集中空调通风系统污染现状调查及清洗消毒效果评价
8.
heating, air-conditioning and ventilation
暖气、空调和通风（系统）
9.
To install, test, control, service and clean air-conditioning equipment, including ducting, fan coil units, air handling units and ventilating fans.
安装、维修及清理空调设备，包括大小型送风及通风系统等。
10.
Research on the Sedimentation of Aerosol Particles in Ventilating Ducts and the Air Duct Cleaning Interval
通风空调管道内气溶胶颗粒物的沉降及风管清洗周期的研究
11.
Wash and maintenance of central air conditioning systems
集中空调系统清洗与保养应注意的问题
12.
Environment Management of Hospital Air-conditioning Systems
医院中央空调系统的环境要求和清洗及消毒
13.
Adjustment and Analysis of Ventilation and Air-conditioning System in the Nanjing Subway Station
南京站地铁通风空调系统调试与分析
14.
VIC heating, air-conditioning and ventilation systems
国际中心暖气、空调和通风系统
15.
noise control in HVAC system
通风空调系统的噪声控制
16.
Energy-saving Design of Ventilation and Air-conditioning System of Metro Station
地铁车站通风空调大系统的节能设计
17.
Study of the Ventilation Characteristics of an Underfloor Air Distribution System in a Cooling Wall Room
冷却壁面对下送风通风空调系统特性的影响
18.
The Air Microbes Transmit and Disinfection Control Method in VAC System;
通风空调系统空气微生物传播与消毒控制方法