用“preheating section”造句大全,preheating section造句 国语站 造句 6.1K 大中小设置文字大小 The shell and cover of the waste gas preheating section and NOF heating furnace.The invention discloses a unilateral air draft process of kiln process chain grate preheating section for making oxidized pellet. TAG标签:preheating 造句 #