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

单词	poportional valve
释义	poportional valve Encyclopedia 工学比例阀释 poportional valve比例阀在气动、液压领域中，根据信号大小实现阀门开度成比例变化的控制阀。
随便看	segment of a broken line segment of a channel segment of a circle segment of a curve segment of a series segment of a sphere segment of a word segment of information segment of ordinals segment of support segment overlay segment report segmentwise convergence segmentwise convergent segment without contact Segner Segner construction Segner recurrence formula Segovia SEGR segragated algebra Segre Segre characteristic Segre class Segre classification

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