By default, there is one panel at the bottom of the screen, but you can add more panels, move and otherwise configure the default panel and remove panels you no long want.

默认情况下，只有一个面板在屏幕底部，但你可以添加更多的面板、移动，还可自定义默认面板、删除不想要的面板。

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But the common applications for relay panels called for 300 to 500 or more relays, and the reliability and maintenance issues associated with supporting these panels became a very great challenge.

但对于所谓接力小组的共同申请300至500名或以上继电器，可靠性和相关的维修支持这些小组的问题成了一个很大的挑战。

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But the common applications for relay panels called for 300 to 500 or more relays, and the reliability and maintenance issues associated with supporting these panels became a very great challenge.

但对于所谓接力小组的共同申请300至500名或以上继电器，可靠性和相关的维修支持这些小组的问题成了一个很大的挑战。

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