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lowering oxygen lance
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met.
降低氧枪
;
降低枪位
(
Slag splashing is usually performed after the steel is tapped, and involves lowering the oxygen lance into the furnace and blowing nitrogen at high flow rates onto the slag. 溅渣护炉通常是在出钢完毕后进行,它包括降低氧枪到炉内并以大流量氮气喷向渣面。
)
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