If you need help, please push the bell-button.

您有事情唤服务员，请按电铃。

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Each indoor fire alarm push-buttons shall be equipped with a break-glass push-button and an alarm bell.

每个室内火警按钮都应有一个？？按钮和一个警铃。

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Controlling room: it is made up of the optional push button, the sudden switch, the alarm bell push button and the electric lock, controlling up, down and stop of the lift car;

操纵厢：由层楼选择按钮、急停开关、警铃按钮、电气锁组成；控制轿厢的上行、下行和停止。

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