调风门 meaning in English
air damper
Examples
- Air regulating systems in mining ; wing air doors for travelling tracks ; air doors without pressure reduction
矿山空气调节系统.人行道用叶片调风门.非减压的风扇 - Air regulating systems in mining ; wing air doors for haulage tracks ; one - wing type doors without pressure reduction
矿山空气调节系统.运输道用叶片调风门.非减压的单叶