Methods to inject oxygen and solid materials into EAF, i. e. handlance, lance manipulator, bottom blowing and water cooled lance, are compared.
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。
2
Water cooled lance and lance manipulator have both replaced the handlance. The lance manipulator is an efficient and economical tool to inject oxygen and solid materials into EAF.
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。
3
By his side hung a curving scimitar, a round shield studded with bosses of brass hung at his back, and his right hand grasped a lance.