曝气装置 meaning in Chinese

aerating apparatus
aerating device
aeration device
aerator

Air diffusion aerator
空气扩散式曝气装置
Offers waterway and wetland maintenance , weed and algae control , fish stocking , stormwater drainage system services , flying insect control , wetland plantings , water testing , fountain installation and repairs
-集污水处理产品设计开发，设备，工程承包于一体。自主开发有悬挂链曝气装置及自动化控制系统，供应曝气设备。