The regulating valve is a very important component in the control system of oil pipeline , and its flow property will affect the control level.
调节阀是输油管道控制系统的重要组成部分，其流量特性对控制质量影响很大。
More light oil was obtained through regulating the reaction conditions, such as increasing pressure and gas flow.
通过调整反应条件(如增加反应压力、增大氢气流量)可使多段加氢热解过程中所得焦油进一步轻质化。
In order to insure the smooth shift, pressure regulating and flow control system is adapted to control oil pressure changing curve of the applying elements.
为了使换档平稳无冲击进行，利用调压系统控制换档结合元件的油压变化规律。
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