“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。
随便看	horizontal branch star horizontal-branch star horizontal caster horizontal cell horizontal centrifugal classifier horizontal centrifugal concentrator horizontal circle horizontal circulating mechanical parking sysytem horizontal component horizontal composition horizontal control network horizontal control point horizontal coordinate Horizontal coordinate system horizontal coordinate system horizontal curve horizontal cusp horizontal datum horizontal direction horizontal directional drilling horizontal directional drilling machine horizontal displacement horizontal distribution horizontal flow settler horizontal forging and upsetting machine

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。