该蠕动泵是 由几个滚轮滚动连续不断地压迫弹性软管，将流体按滚轮运动的方向输送。
In the peristaltic pump, a plurality of rollers roll to press an elastic hose continuously, so that liquid is transported in accordance with the movement direction of the rollers.
修正鼠标滚轮侦听器后，您将可以不用按钮和滚动窗格。
When the mouse wheel listener bug is fixed, you'll be able to remove the use of the button and scroll pane.
JScrollPane组件甚至随预注册的侦听器一起提供，所以当这个组件获得焦点且用户移动鼠标滚轮时窗格将会滚动。
The JScrollPane component even comes with a pre-registered listener, so the pane will scroll when it has focus and the user moves the wheel.
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