原始的地点或位置。如未经断层或滑坡扰动过的大片露头区。
In the original location or position, such as a large outcrop that has not been disturbed by faults or landslides.
覆盖区的沉积环境水深要大于露头区，暗色泥岩的厚度及分布范围加大。
The former has deeper sedimentary environment, than the latter, so its dark shale is thickened and distributed range is enlarged.
对于更进一步研究煤层露头火区氧气输运、逾渗规律、露头火灾机理具有积极意义。
The results is useful to carry out the re-search on the combustion mechanism in coal outcrop.
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