根据气压膝关节机构优化后的结构尺寸，对气压膝关节进行结构设计，并对气压控制元件依据规范进行合适的选用。
This paper designs the structure of the pneumatic knee-mechanism according to the optimized size and picks out the optimum pneumatic control unit based upon the criterion.
熟悉液压和气压控制回路及常用动作、控制元件的工作原理，及具备维护经验。
Familiar with hydraulic and pneumatic control loops and working theories of common actions and control elements.
熟悉液压和气压控制回路及常用动作、控制元件的工作原理，及具备维护经验。
Familiar with hydraulic and pneumatic control loops and working theories of common actions and control elements.
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