push-turn key按下旋钮

push-key switch[电] 按键开关

push-key switch group[电] 按键开关组

emergency stop push-key蹙迫停车按钮

push-key telephone set按键电话机

push-key automatic telephone set按键自动电话机

corridor push-key switch group[铁路] 走廊按键开关组

secondary push-key switch group副按键开关组

main push-key switch group[电] 主按键开关组

self-reset push-key switch自复式按键开关