风挡吹气孔(吹风挡玻璃用的热空气出口)

отверстие для обдува лобового стекла тёплым воздухом

吹风，送风从出口，尤其是从助燃鼓风炉的出口出来的空气，其他气体或蒸汽气流Our work grows out of a small blast furnace plant which is set up in191。

A forcible stream of air, gas, or steam from an opening, especially one in a blast furnace to aid combustion.