【建筑】空气通道

三.海空联运业务：作为海空联运货物的操作平台，外代仓储着力保持海空联运通道的顺畅并为客户提供优质服务。

air humidifier

air cooling

primary-air supply aperture, passage

pneumatic lock (compressed-air lock)

closet flushing by means of compressed-air chamber

compressed-air press

air-jet interlaced yarn

temperature controlled air cleaner【环境】;temperature modulated air cleaner【环境】