1)stock descent,炉料的下降2)burden descent,炉料下降3)descending charge,下降炉料<冶>4)speed of material descent,炉料下降速度5)multi-heater bridg man furnace,多管下降炉6)DTF (drop tube furnace),垂直下降炉,滴管炉(煤的特性研究装置)
英汉例句
The burden thickness and the burden descent velocity near the furnace wall are more than those of the furnace centre.