It is concluded that the damage features of the lining concrete are related to fire source, fuel supplying mode, landscape and ventilation condition of the conflagration.
衬砌混凝土的局部损伤特征受火灾发生时的火源、燃料供给、受火区段的地形、通风等因素的影响。
The electric fire ignition source was often burnt out, some Suggestions on how to improve the condition were given.
根据试验时经常出现的引火源电热丝烧断的现象，提出了改进的建议。
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