请教tap hole? (E---C) Calcium carbide production furnace, in which low quality lime material and carbon stock of low strength are charged homogeneously and continuously or intermittently, oxygen is blasted through water-cooled copper nozzle arranged symmetrically in both sides of the waist of furnace wall, calcium carbide accumulated on the bottom of furnace is discharged through the tap hole , synthesizing gas through the flue in the top of the furnace. 请教tap hole如何翻译? 另最后一句也看不懂 :与炉顶烟道中的气体进行合成反应?可是主语是谁啊?查看更多3个回答 . 5人已关注