防止电力电缆冷却、火炬或枪、消耗品过热保护焊，也算伤害。
Cooling prevents the power cable, torch or gun and consumables from overheating and also protects the welding operator from injury.
如何合理控制氧枪冷却供水系统，使其始终工作在最佳节能状态成为一个值得重视的问题。
It becomes a noticeable problem gradually How to control in reason the oxygen lance cooling-water supply system, making it work always in the best economy energy.
文中介绍的国外近年来新设计的氧枪喷头结构，冷却形式及有关数据可供炼钢生产工作者参考。
In this paper the novel structure of nozzle for the oxygen lance and cooling patterns newly designed abroad in the recent years as well as associated data are provided for references to steel makers.
文中介绍的国外近年来新设计的氧枪喷头结构，冷却形式及有关数据可供炼钢生产工作者参考。
In this paper the novel structure of nozzle for the oxygen lance and cooling patterns newly designed abroad in the recent years as well as associated data are provided for references to steel makers.
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