... 淹没矿井：flooded shaft 淹没的矿：drowned mine 烟色红铁石：jargon ...
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drowned d mine 淹没的矿
·2,447,543篇论文数据，部分数据来源于NoteExpress
The establishment of the water sump provides enough time for emergency treatment for underground mine, which can avoid the people drowned and trapped so as to ensure the safety of mines.
为井下矿山提供足够多的时间进行应急处理，避免由此引起的淹矿事故，保障了矿山安全。
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