片语
Air conditioning duct system空调通风系统
Air conditioning Heat System冷暖气工程
Air Conditioning Experimental System空调试验系统
air conditioning monitoring system中央空调监测系统
air conditioning electrical system空调电器系统
Air conditioning experiment system空调实验系统
air conditioning control system空调控制系统
air conditioning purification system空调凈化系统
pair conditioning unitkyear system安装式仪表