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单词 pressurized blast furnace
释义 pressurized blast furnace
[`presh·ǝ´rīzd `blast ´fǝr·nǝs]
ENGINEERING
A blast furnace operated under pressure above the ambient; pressure is obtained by throttling the off-gas line, which permits a greater volume of air to be passed through the furnace at a lower velocity, and results in increase in smelting rate.
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