oxygen lancing meaning in English

氧吹管焰割
氧矛切割
氧气切割
氧焰切割

Desjgn and application of 95 t converter oxygen lance nozzle
转炉氧枪喷头设计与应用
Design and application of 120t converter oxygen lance nozzle
转炉氧枪喷头设计与应用
Design and application of converter oxygen lance
转炉氧枪的选取与使用
Experimental practice of oxygen lance at converter
转炉氧枪攻关实践
Development and application of 5 - hole oxygen lance in converter
转炉五孔氧枪喷头的研制及应用

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