And shake the electrical insulation resistance measurement and its value is not lower than 50 megohm.然后摇测电机的绝缘电阻,其值不低与50兆欧....

n.兆欧姆...

megohm的音标：megohm的英式发音音标为：['megəʊm]megohm的美式发音音标为：['megˌoʊm]...