[通信]?呼叫按钮

... sleeve button 袖扣 Continue button 两录音卡座连续放音键 call button 呼叫按钮 ; 调入钮 ; ...

?呼梯按钮

... call assignment 呼梯指令分配 call band 呼梯信号带 call button 呼梯按钮 ...

?叫人铃或警报铃之按钮

... cancel button 取消按钮 call button 叫人铃或警报铃之按钮 radio button 单选按钮 ...

?调入钮

... sleeve button 袖扣 Continue button 两录音卡座连续放音键 call button 呼叫按钮 ; 调入钮 ; ...