... (900磅级)pn 250 全径阀full-opening valve 动力驱动器/动力操作器poered actuator/poered operator ...
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The Lunar Ball Segment valve has a full-bore opening where material cannot build up, accumulate, or be captured within the valve body.
采用全径开口设计，这样，材料不会堆积或粘连在阀体上。
In addition, opening the valve to maintain the maximum period, three full steam flow control valve has undergone a similar process of linear decline;
除此之外，在阀坚持最大开度时期，三种调理阀的充汽流量都阅历了一个近似线性的下降进程；
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