In succession, the author educed movement differential equation of reed valve plate from differentia

中文解释

接着本文根据弹性薄板振动理论，由薄板的微元体导出簧片阀阀片的运动微分方程。

正在查询

prehuman footlights cerebra adenose badge radio refrainment 真诚 comparative 在乎 hairsplitter