slag wool

例句：

1. 1. The factory produces slag wool for the construction industry.
   这家工厂为建筑业生产废渣羊毛。
2. 2. The wool from this breed of sheep is known for its softness and durability.
   这种羊种的羊毛以其柔软和耐用而闻名。
3. 3.The slag wool was used to make a warm blanket for the winter season.
   这种废渣羊毛被用来制作冬季的保暖毯子。