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我厂冶炼铸铁轧辊的反射炉,原设计容量为30吨,以煤粉作燃料。实际使用情况不好,经济效果差,达不到设计要求,
I plant smelting cast iron roll reflector furnace, the original design capacity of 30 tons of coal as fuel. The actual use is not good, poor economic results, less than the design requirements,