Structure and realization of CAD system for the orbit-style spherevalve were described.
本文描述了轨道式球阀CAD系统的结构与实现。
2
The model experimental results show that the spherevalve can replace the hydraulic turbine under some conditions and it can satisfy the requirements for practical engineering of hydropower stations.
研究表明，在一定的条件下，利用球阀进行水电站水力过渡过程试验，完全能满足水电站实际工程的需要。
3
Pneumatic valve and plug valve of a type is the same, only it's shut down parts of a sphere, the sphere rotates around the body center line to achieve the opening and closing a valve.