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详细介绍了根据混凝土外观、强度和化学成分的变化判定火场温度 ,火势蔓延方向 ,判定起火部位 ,认定起火原因的技术
The technique of judging the temperature of fire field, the direction of fire spread, determining the fire part and identifying the cause of fire according to the change of appearance, strength and chemical composition of concrete is introduced in detail.