It can also be used as a second stage separator and hold a constant backpressure by using its automaticpressurecontrol valve on the gas outlet.
也可用于二级分离器，采用出气口的自动调压阀保持稳定的背压。
2
The automaticpressurecontrol of oxygen is an ideal strategy for steel making to ensure the quality. The author designed a pressure limited and interlock controller for oxygen blowing of converter.
氧压自动控制是保证转炉炼钢质量的理想方案，笔者设计了一套转炉吹氧压力限压及信号联锁控制器。
3
The change can be instigated by an external control or it can be automatic, for instance in response to variations in heat, pressure or velocity.