Methods of increasing damping radio are introduced for fluid power system, and the pneumatical proportional servo system with variable damping ratio is put forward.
介绍了流体动力系统常用的提高阻尼比的方法，提出了可调液压阻尼器的变阻尼气压比例伺服系统。
The main structure of JM-203 nailing machine is stated briefly, the pneumatical system is stressed and the technology improvement is analyzed during the trial-manufacture.
简述了JM- 203钉角机的主要结构，重点介绍了其气动系统，并分析试制过程中的技术改进情况。
The main structure of JM-203 nailing machine is stated briefly, the pneumatical system is stressed and the technology improvement is analyzed during the trial-manufacture.
简述了JM- 203钉角机的主要结构，重点介绍了其气动系统，并分析试制过程中的技术改进情况。
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