The factors influencing the positive-plate life of valve-regulated lead-acid (VRLA) batteries have been disscussed in this paper in terms of positive-activemass layer (PAM ), active-mass collecting layer (AMCL) and corrosion layer (CL).是什么意思_The factors influencing the positive-plate life of valve-regulated lead-acid (VRLA) batteries have been disscussed in this paper in terms of positive-activemass layer (PAM ), active-mass collecting layer (AMCL) and corrosion layer (CL).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句