Read Edit View history 通风管 tōngfēngguǎn ventilation duct Origin Definitions Defs Strokes Stroke Words Sentences Sents 通风管 通風管 tōngfēngguǎn ventilation duct ventilation duct; air vent or pipe used for circulating air Frequency Movie subtitles 1.10 per million appears in 0% of films Sources Frequency data SUBTLEX-CH
通风管 通風管 tōngfēngguǎn ventilation duct ventilation duct; air vent or pipe used for circulating air Frequency Movie subtitles 1.10 per million appears in 0% of films Sources Frequency data SUBTLEX-CH