protecting diode

例句：

1. 1.The device is designed to protect the sensitive electronic components from damage.
   这个装置旨在保护敏感的电子元件免受损坏。
2. 2.The protective diode in the circuit prevents overheating.
   电路中的保护二极管防止过热。
3. 3. The engineer used a protecting diode to safeguard the delicate circuitry.
   工程师使用了保护二极管来保护复杂的电路。