介绍一种新型大空间高举架供热、通风、空调的末端设备；

Recommends a new-type heating, ventilation, air conditioner equipment using in large space.

youdao

介绍一种新型大空间高举架供热、通风、空调的末端设备；

Recommends a new-type heating, ventilation, air conditioner equipment using in large space.

youdao