Read Edit View history 空心墙 kōngxīnqiáng cavity wall Origin Definitions Defs Strokes Stroke Words Sentences Sents 空心墙 空心牆 kōngxīnqiáng cavity wall hollow wall; a wall built with a gap between two layers of brick or inside and often filled with insulation
空心墙 空心牆 kōngxīnqiáng cavity wall hollow wall; a wall built with a gap between two layers of brick or inside and often filled with insulation