Other factors, such as pH value (between 6.0 and 8.0), concentration of Cyclops and the interval of adding of ammonia and chlorine, are of little influence on inactivation.是什么意思_Other factors, such as pH value (between 6.0 and 8.0), concentration of Cyclops and the interval of adding of ammonia and chlorine, are of little influence on inactivation.在线翻译_英语_读音_用法_例句