By adopting a 2d pneumatic digital servo valve composed of servo spiral mechanism, conventional two-stage pneumatic servo valve structure is simplified while its performance is greatly enhanced.
利用一种伺服螺旋机构构成的二级气动数字伺服阀(简称“2d气动数字阀”)，简化了传统二级气动伺服阀的结构而性能却有较大提高。
By adopting a 2d pneumatic digital servo valve composed of servo spiral mechanism, conventional two-stage pneumatic servo valve structure is simplified while its performance is greatly enhanced.
利用一种伺服螺旋机构构成的二级气动数字伺服阀(简称“2d气动数字阀”)，简化了传统二级气动伺服阀的结构而性能却有较大提高。
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