其实，这是原则，是受雇于电器电阻炉。
In fact, it is the principle of electrical resistance that is employed by electrical heaters.
我厂是研究、开发、生产电阻炉的专业厂家。
I plant research, development, production of professional resistance furnace manufacturers.
本设备为箱式电阻炉。
实践表明，三相圆柱形电阻炉使用可靠，结构基本合理。
Practice shows the furnace can be used safely and its construction is very reasonable.
实践表明，三相圆柱形电阻炉使用可靠，结构基本合理。
Practice shows the furnace can be used safely and its construction is very reasonable.
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