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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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.

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