air vent
通风管
air duct【机】;air pipe【机】;air tube【机】
暂无补充释义。
相关词条
three direct links (mail, air and shipping services and trade) and bilateral exchanges
make-up air
air-locked helmet【航】
cooling-air guide
purified air【环境】;scavenging air【环境】
air line lubricator
fuel-air mixture