With slight change of technology parameters,20% substitution of conductive carbon black in acetylene black exerts a good influence on the heavy drain performance for R6P paper-lined battery, also the production cost is decreased.是什么意思_With slight change of technology parameters,20% substitution of conductive carbon black in acetylene black exerts a good influence on the heavy drain performance for R6P paper-lined battery, also the production cost is decreased.在线翻译_英语_读音_用法_例句