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1.The underground hot water flows through the earth's crust, causing a firedamp migration.
地下热水通过地球的地壳流动，导致地下热流迁移。
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2. This phenomenon is caused by the movement of groundwater, leading to a firedampmigration.
这种现象是由于地下水的运动导致的，引起地下热流迁移。
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3. Due to the underground hot water, there is a firedamp migration in the area.
由于地下热水的存在，该地区出现了地下热流迁移现象。