介绍了冶金热工测试中的红外成像测试原理，通过几种应用实例分析了红外成像技术和热像图分析方法在热工过程分析中的应用特点和适用范围。%The paper introduced testing principle of infrared image in course of metallurgy heat engineering testing,based on several applied examples,analyzed application properties and range of infrared image technique and thermal image analysis in heat engineering analysis.
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