The performance of the water hydraulic directional valve can achieve the level of traditional oil hydraulic directional valve.
研制的纯水换向阀的性能基本达到了现有同类油压换向阀的水平。
The performance of the water hydraulic directional valve can achieve the level of traditional oil hydraulic directional valve.
研制的纯水换向阀的性能基本达到了现有同类油压换向阀的水平。
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