那是煤地的一些高炉。
Most modern arc furnaces are of the direct arc type.
大多数现代电弧炉都是直接电弧式的。
There are some huge blast furnaces in the steel factory.
那钢厂有许多巨形高炉。
The power consumption, heat loss and lifetime of the furnaces are analyzed.
阐明了三种高温炉的耗电量、散热量和利用寿命。
Blast furnaces are increasingly intensified with their technical progresses.
随着冶炼技术进步，高炉日益强化。
Iron is made by reducing iron oxide in a large device called blast furnaces.
铁是在一种叫做鼓风炉的大型设备里通过将氧化铁还原制得的。
People who work with furnaces in a steel factory need to wear protective clothing.
炼钢厂工作在熔炉边的人们需要穿防护服。
History of standard system of industrial furnaces building is reviewed in this paper.
本文简要回顾了工业炉砌筑工程建设标准体系的历史。
The reasons that the blast temperature in China blast furnaces is lower are analyzed.
分析了我国炼铁系统热风温度偏低的原因。
The reasons that the blast temperature in China blast furnaces is lower are analyzed.
分析了我国炼铁系统热风温度偏低的原因。
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