pedestrian push-button signal controller 行人按钮信号控制机
Multifrequency push-button signal reception 多频按键信号的接收
push button signal box 按钮式信号楼
pedestrian push-button signal 按钮式交通信号机
Nick gave me the signal to push the button.
尼克对我下了信号，要我按下按钮。
Its bright, flashing red distress light is also push-button activated to signal for, and direct help to, your location.
其高亮度，闪烁的红色痛苦轻，也是推动激活的信号按钮，并直接帮助的，您的位置。
A push button switch provides a visual switch actuation acknowledgement signal when actuated.
一种按钮开关，在驱动时提供一种可视的开关驱动证实信号。
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