The results obtained show that airflow reversal of declensional ventilation is catastrophic and the reversal may occur even in higher quantity of ventilation airflow.
研究结果表明：下行
流逆转在跨越临界点时
有突跳特征，巷道
持较高
值时仍有
时逆转的可能性。
The results obtained show that airflow reversal of declensional ventilation is catastrophic and the reversal may occur even in higher quantity of ventilation airflow.
研究结果表明：下行流逆转在跨越临界点时有突跳特征，巷道持较高值时仍有时逆转的可能性。
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