“direct drive valve”的概念、定义、翻译、参考文献-科学参考

单词	direct drive valve
释义	direct drive valve Encyclopedia 工学直接驱动伺服阀释 direct drive valve直接驱动伺服阀一种电液转换装置。是液压伺服系统的核心元件。其输入电压或驱动电流与输出控制流量成比例。简称DDV。
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