“valve positioner”的概念、定义、翻译、参考文献-科学参考

单词	valve positioner
释义	valve positioner [`valv pǝ´zish·ǝ·nǝr] ^{CONTROL SYSTEMS} A pneumatic servomechanism which is used as a component in process control systems to improve operating characteristics of valves by reducing hysteresis. Also known as pneumatic servo.
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