circuitry
/ˈsɜːkɪtrɪ/noun
(pl. -ies)［mass noun］
1- electric circuits collectively电路系统：
solid state circuitry.
坚固的国家电路系统。
1.1
- a circuit or system of circuits performing a particular function in an electronic device（电子装置中功能特殊的）电路; 电路系统：
switching circuitry.
开关电路。