alarm bell button的意思|示意

Instead of an alarm button by his bed, he would ring an old cow-bell that I'd bought as a kid on holiday in Liechtenstein.

除了床上的警报按钮，父亲还摇晃一个旧牛铃。这个牛铃是我孩提时代在列支敦士登度假时买的。

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。

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。