英语词汇“keep a firm hand on”的翻译、意思、用法、释义-英汉汉英双解词典

单词	keep a firm hand on
释义	keep a firm hand on短语¹⁴⁴⁹⁷²⁺²vt.严密的控制
随便看	relative percentage uptake relative peremability relative phase difference relative phase information relative phase method relative phase shift relative performance relative performance evaluation relative performance guarantee relative period relative periodic movement relative permability modifier relative permeabilities relative permeability relative per-meability relative permeability coefficient relative permeability curve Relative Permeability Curves Relative permeability modifier relative permeability of bed relative permeability of gas relative permeability of plasma relative permeabitity hysteresis relative permittivity Relative permittivity of mixed dielectric