“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	kinchiltun kind Kindergarten kindergarten kindergarten and nursery kindergarten curriculum kindergarten educational outline Kindergarten Management Regulations kindergarten organization and management kindergarten's comprehensive course Kindergarten Working Regulation and Procedure Kinder Morgan kindheartedness altruism Kindia kindling point kind of syllogism Kindom of Rozvi Kindom of Zimbabwe kindred plant kinds of concepts kinds of film kinds of interest rate kinds of mechanical drawing kind第二类伯努利多项式 kine

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。