There is obvious abnormal temperature feature in the intact rock mass around the water-hearing structure before mining.
通过试验得出：煤层开采前，初始地温场中含水构造处具有明显的低温异常特征；
There is obvious abnormal temperature feature in the intact rock mass around the water-hearing structure before mining.
通过试验得出：煤层开采前，初始地温场中含水构造处具有明显的低温异常特征；
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