After the Kongdong reservoir water hole plate gate rebuild into a cone valve, the stilling basin, model test was conducted.
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。
2
The device by the human operator launches, such as through the cone-shaped gear reducer drive, direct drive valve stem up and down movement of the valve gate.