通风设备 tōngfēngshèbèi ventilation system Definitions Defs Origin Strokes Stroke Words Sentences Sents 通风设备 通風設備 tōngfēngshèbèi ventilation system ventilating equipment or facilities Cross-References Classifier 套 tào
通风设备 通風設備 tōngfēngshèbèi ventilation system ventilating equipment or facilities Cross-References Classifier 套 tào
