complementary transistor circuit

例句：

1. 1. The new design of the circuit is expected to improve efficiency by 20%.
   预计新设计的电路将提高效率20%。
2. 2. The circuit was designed to detect and prevent faults in power systems.
   该电路被设计用来检测和预防电力系统中的故障。
3. 3. The circuitry inside the device is complex and requires careful testing.
   设备内部的电路复杂，需要仔细测试。