求翻译：当收球网的网面两侧压差或二次滤网的网面两侧压差超过一定极限时，则按照紧急处理程序进行处理，以保证冷却水系统的通流。是什么意思？

When closing the net on both sides of the net surface pressure, or both sides of the secondary mesh filter surface pressure exceeds a certain limit, then processed in accordance with emergency procedures to ensure the flow of cooling water through the system.

When the balls on either side of the web-oriented pressure difference or 2 times the filter side pressure difference between two web-oriented exceeds a certain threshold, then in accordance with emergency procedures for processing, and to ensure that the flow of cooling water system.

When receives the net the net surface both sides differential pressure or two mesh net surface both sides differential pressure surpasses certain limit, then defers to the urgent disposal procedure to carry on processing, guaranteed the cooling aqueous system passes the class.

When a net pressure difference on both sides of the ball screen or mesh strainer on either side for the second time when the pressure exceeds a certain limit, follow the emergency procedures for processing, to ensure the flow of cooling water system.

When a net pressure difference on both sides of the ball screen or mesh strainer on either side for the second time when the pressure exceeds a certain limit, follow the emergency procedures for processing, to ensure the flow of cooling water system.