Mark 25 valves have a plug-in base or manifold, a plug-in solenoid and an optional plug-in sandwich pressure regulator.
马克25阀有一个基础或多方面的，一个插件螺线管插件和三明治压力调节可选插件。
2
On the base of ma thematic model of induction motor and inverter, engineering designing method is used to design the PI regulator, and experiments on the double-closed-loops system is carried out.
在建立异步电动机和变频器数学模型的基础上，按照工程设计法设计出PI调节器，并进行了双闭环控制实验。
3
On the base of the identified model this paper also presents a discrete automatic voltage regulator by minimum variance control principles.