青云翻译

Used on the air the next time the wind, the top of the high efficiency filter cotton filter dirty air, ground trench grill,

Air back on air, top with a high efficiency filter cotton dirty air, ground-ditch-grid,

Will use on blows of the next time wind, the crown uses the highly effective filtration cotton and kapok to filter the dirty air, the ground uses the ditch grill,

On the return air supply with wind, and the top filter uses a high efficiency filter basket with dirty air, and ground to make the grid.

Air back on air, top with a high efficiency filter cotton dirty air, ground-ditch-grid,