The results obtained show that airflow reversal of declensional ventilation is catastrophic and the reversal may occur even in higher quantity of ventilation airflow.
下行风流逆
在跨越临界点时
有突跳特征，巷道风量维持较高数值时仍有
时逆的可
。
The results obtained show that airflow reversal of declensional ventilation is catastrophic and the reversal may occur even in higher quantity of ventilation airflow.
下行风流逆在跨越临界点时有突跳特征，巷道风量维持较高数值时仍有时逆的可。
明：以上例句、词
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