control rod

基本解释

In BWRs one of the things that saved some of these plants in the early days was the water that went into the cooling of the control rod drive as I recall.
在BWR，有件事是救了这些电站,在早期的时候，就是水进入,到控制棒的冷却系统。
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 cruciform control rod controlling is the main method to control reactivity in the nuclear heating reactor (NHR).
核供热反应堆的过剩反应性主要靠十字形控制棒来控制。

one of a number of rods or tubes containing a neutron absorber, such as boron, that can be inserted into or retracted from the core of a nuclear reactor in order to control its rate of reaction