downdraught grate 抽风带式焙烧机 ; 抽风式链篦机
downdraught fan 抽风机
downdraught cooler 抽风式冷却机
downdraught producer 下抽式发生炉
downdraught kiln [炉窑] 倒焰窑
downdraught zone 抽风段
downdraught type producer 回流式发生炉
downdraught cooling 抽风冷却
downdraught firing 抽风焙烧
N the large-scale downward movement of air in the lee of large objects, mountains, etc 倒灌风
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