circuitry
noun [ U ] uk/ˈsɜː.kɪ.tri/ us/ˈsɝː.kɪ.tri/
电路;电路系统;电路装置
the circuits that an electrical or electronic device contains, considered as a single system
The circuitry in this fighter aircraft has been protected against strong magnetic fields. 这架战斗机的电路系统有防护装置，不会受强磁场的干扰。