水冷喷枪和喷枪机械手已取代了手动喷枪，喷枪机械手是一种向电弧炉喷氧和固体燃料高效而经济的方法。
Water cooled lance and lance manipulator have both replaced the hand lance. The lance manipulator is an efficient and economical tool to inject oxygen and solid materials into EAF.
本文就氧和固体燃料向电弧炉喷吹的方法，如手动喷枪、喷枪机械手、底部喷吹和水冷喷枪进行了比较。
Methods to inject oxygen and solid materials into EAF, i. e. hand lance, lance manipulator, bottom blowing and water cooled lance, are compared.
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