Press "setup" to enter the setup panel, press "up" or "Down" to move the red box to system Settings, and press "enter" to open the system setup panel.

按“设置”键进入设置面板，按“上”或“下”键将红色方框移到系统设置上，按“确定”打开系统设置面板。

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The system of roll mill press down is controlled to compensate the thickness variation of the hot strip mill so as to improve the hot-rolled strip thickness accuracy.

从各种随机噪声的轧制力信号这一复杂高频干扰周期波中分离出偏心信号，控制轧机在压下系统实现对偏心的补偿，以提高热轧带钢的厚度精度。

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By means of this signal detected, the system of roll mill press down is controlled to compense the thickness variation of the strip.

并以此信号为依据，控制轧钢机的压下系统，实现对偏心的动态补偿。

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When bribed local police would alert the bar about a raid, the bartender would warn customers and press a button to make the bar and liquor shelves flip upside down, dropping all bottles down into the sewer system.

BBC: Speakeasies, moonshine and gangsters