Read Edit View history 负离子发生器 fùlízǐfāshēngqì negative ion generator Origin Definitions Defs Strokes Stroke Words Sentences Sents 负离子发生器 負離子發生器 fùlízǐfāshēngqì negative ion generator An electrical device that produces a high concentration of negative oxygen ions to freshen indoor air
负离子发生器 負離子發生器 fùlízǐfāshēngqì negative ion generator An electrical device that produces a high concentration of negative oxygen ions to freshen indoor air