“比例阀”的概念、定义、翻译、参考文献-科学参考

单词	比例阀
释义	比例阀 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。 Chemistry ＞分析化学＞仪器分析＞释义 proportional valve比例阀
随便看	straight-line direction straight-line linkage straight-line method straight line motion straight-line representation straight-line segment straightness straightness artefact straightness measurement straight photography straight pile position survey straight polyomino straight ramp development straight river Straight Road of Qin Dynasty straight shock wave straight space straight spectrum straight tail straight-tube-type pneumatic dryer straight wall strain strain ageing strain aging strain annealing

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。