A substance, such as dried clay or cement, used to pack and seal pipe joints and other connections or coat a porous surface in order to make it tight.
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释义
封泥,水泥封涂一种物质,如晒干的粘土或水泥,用于绑裹和密封管道的连接处和其它连接点或覆盖以有孔的表面以使之牢固
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