檢視辅助电路的原始碼

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|<center>'''辅助电路'''<br><img
src="https://p1.ssl.qhimg.com/dr/270_500_/t01c94f91c09f8d461c.jpg?size=402x240 " width="280"></center><small>  圖片來自优酷</small> 
|}
[[成套设备]]中（除主电路以外）用于控制、[[测量]]、[[信号]]和调节，[[数据处理]]等电路上所有的[[导电部件]]。