特色：
There are 11 chapters in this textbook;Introduction to fluid power, Hydraulicpumps and motors,Hydraulic cylinders,Ancillary hydraulic components, Directional control valves, pressure control valves, flow control valves and other hydraulic valves, basic hydraulic circuit, typical hydraulic systems and some examples,the design and calculation of hydraulic system,pneumatics. At the end of each chapter some exercises and notes are presented for practice and better understanding. Appendix I illustrates the pneumatic and hydraulic graphical symbols. This book can be used as textbook for teachers and students of mechanical engineering,and reference for engineers who major in fluid power,control engineering or automation.