短語詞組短語Reduce Furnace Bottom Steam 減少爐底蒸汽cylinder bottom steam pipe 汽缸底汽管;缸底汽管bottom steam plate 下汽熱板bottom steam detail 底部蒸汽bottom -hole steam quality 井底蒸汽干度dual top and bottom steam -boxes 復(fù)式上下汽蒸箱steam -bottom still 底部蒸汽加熱蒸餾釜;翻譯 返回 bottom steam