【多选题】
矿井闭坑报告应当包括下列防治水相关内容：___
A. 闭坑前的矿井采掘空间分布情况，对可能存在的充水水源、通道、积水量和水位等情况的分析评价
B. 闭坑对邻近生产矿井安全的影响和采取的防治水措施
C. 矿井关闭时采取的水害隐患处置工作及关闭后淹没过程检测监控情况。
D. 损失量报告。
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答案
ABC
解析
暂无解析
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矿井应当对与充水含水层有水力联系的地表水体进行长期动态观测，掌握其动态规律，分析研究地表水与地下水的水力联系，掌握其___。
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矿井主要泵房至少有___个出口，一个出口用斜巷通到井筒，并高出泵房底板( )m以上，另一个出口通到井底车场，在此出口通路内，应当设置易于关闭的既能防水又能防火的密闭门。泵房和水仓的连接通道，应当设置控制闸门。
A. 2
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