1. Comparison of Electro- hydraulic Servo Valves between Jet- pipe Type and Nozzle- flapper Type;Huang Zeng;Fluid Power Transmission and Control;,2007
2. Research on automatic measurement and control of machining quality of servo valve orifice;Wang Guang Lin;National library of chin;,2000
3. A Research of Automatic Gauging System Controled by Microcomputer for Measuring the Lap Value of Slide Valve Pair;Tao Chong-de Wang Guang-lin;Microelectronics & Computer;,1987