air supply duct meaning in Chinese

供风道
供气道
供气管道
空气进气管
送风管道

Warm air supply duct
暖风供气管道
The change of contaminating material concentration after installing electrostatic filter in air supply duct is compared . the contaminating material concentration formulas at different height of assembling cleanroom are deduced
比较了在装配式洁净室空调系统的送风管道中安装管道式静电吸附过滤器后，对室内污染物质分布的影响。