通过改变活动阀套与固定锥体之间的距离调节流量的工作阀门。
液控单向阀采用锥形阀芯，因此密封性能好。
Fluid control one-way valve used cone disc, sealed a good performance.
并在理论上探讨将锥形阀瓣改为球形阀瓣，提高密封面的稳定性。
It also approach theoretically to change the conical valve gag into globe valve gag to raise the stability of the seal plate.
对崆峒水库输水洞平板闸门改建为锥形阀后的消力池进行了模型试验研究。
After the Kongdong reservoir water hole plate gate rebuild into a cone valve, the stilling basin, model test was conducted.
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