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| 21. | The simplified one-dimensional mathematical model of spontaneous heating process is used to analyze the |
| 利用简化的自热过程一维数学模型，分析煤堆内水分变化及迁移对煤堆自热所能达到的最高温度的影响。 |
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| 22. | high-temperature environment around the container for a duration of time needed to meet the minimum process |
| 与达到要求的热处理条件有关的挑战是维持高温环境达到一定的所需时间,使容器内传热比最差的点满足最低的加热处理条件。 |
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