down draft kiln 倒焰窑

Down-draft kiln 倒焰窑 ; 下风窑

forced draft kiln 强制循环干燥窑

Natural-draft kiln 换气干燥室

natural draft kiln 自然通风窑

up-draft kiln 向上通风窑

round down-draft kiln 倒焰圆窑

high temperature down-draft kiln 高温倒焰窑

up draft brick kiln 上向通风砖窖