随着金属矿山开采深度的增加，矿井高温热害问题越来越严重，其主要原因是井下热源。
With the increment of the mining depth in metal mines, the underground high-temperature heat-harm becomes more and more serious, and the main cause is the underground heat sources.
在矿井热力分析的基础上，建立了井下各种热源散热量的计算模型。
On the basis of thermal analysis for the coal mine, the calculation model of heat dissipating of various heat sources in coal mine has been established.
随着矿井开采深度的增加，由于各种热源的放热作用、扩散过程和其它原因，矿井热害日趋严重。
With the increasing of mining depth and exothermic function and diffusion progress of every kinds of heat source and so on, the heat damage of mines is becoming serious.
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