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我国生产的热处理电阻炉,大都采用螺旋电阻丝加热,电阻丝都是安放在炉壁的搁砖上。为防止脱落,每隔一段距离用铁铬铝钩子挂
China’s production of heat treatment resistance furnace, mostly using spiral resistance wire heating, resistance wire are placed on the furnace wall on the brick. To prevent falling off, hang hooks with iron-chromium aluminum at regular intervals