接户导线
service conductor; service wire
继电器开关
relay switch
加速开关
acceleration switch
检索开关
search switch
键盘清除按钮开关
keyboard clear pushswitch
键形开关
keyswitch
讲听开关
talk-listen switch
交换开关
interchange box
交替开关
alternation switch
角隙开关
horn gap switch
脚踏开关
foot pedal; foot switch
接地开关
earth switch
接口开关
interface switch
金属箔拉杆开关
wafer lever switch
紧急开关
emergency switch; safety switch
禁用开关
disable switch
晶片开关
wafer switch
晶体管开关
transistor switch
晶体管开关电路
transistor switching circuit
计算机接口部件
CIU; computer interface unit