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一、序言目前国内对于气动元件性能的研究开展较少,对动态特性的研究更少。原一机部气动控制阀联合没计组曾在1978年就所设计的
First, the preamble At present, the domestic research on the performance of pneumatic components to carry out less research on the dynamic characteristics of less. The original machine pneumatic control valve combined with the team did not have in 1978 on the design