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讨论了地下岩溶陷落柱在地表形成氡气浓度异常的现象。通过α杯测氡法的实验证实，不同类型的岩溶陷落柱可在地表形成不同的氡气浓度异常特征。实际应用表明：氡气测量可在煤炭生产过程中发挥重要作用。
The phenomenon of abnormal concentration of radon in the underground karst collapse column was discussed. The experiment of a-cup radon method confirms that different types of karst collapse columns can form different radon concentration anomalies on the surface. Practical applications show that radon measurement can play an important role in coal production.