safety rod drive的意思|示意

They essentially disabled many of the safety systems and they had to jury rig, and as I remember using the cooling from the control rod drive systems to cool the core.

他们使得很多的安全系统,失效，他们不得不启动应急操作，我记得，使用控制棒驱动系统,来将核心冷却。

The control rod drive mechanism(CRDM) is one of the key equipment related to reactor normal operation, safety and reliability.

控制棒水力驱动系统是核供热堆的关键系统之一 ，其运行失效将直接导致供热堆的非计划停堆。