Read Edit View history 通风管 tōngfēngguǎn ventilation duct Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 通风管/ 通風管 tōngfēngguǎn ventilation duct ventilation duct; air vent or pipe used for circulating air Edit Delete References Add reference No references for this word.
通风管/ 通風管 tōngfēngguǎn ventilation duct ventilation duct; air vent or pipe used for circulating air Edit Delete