English ⇄ Chinese

lowering oxygen lance
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。)