calcareous slag

例句：

1. 1. The construction site is littered with calcareous slag from the excavation process.
   施工现场到处都是挖掘过程中产生的石灰石熔渣。
2. 2. The company uses calcareous slag as a raw material for its cement production.
   该公司使用石灰石熔渣作为其水泥生产的原材料。
3. 3.The wastewater treatment plant has to deal with a significant amount of calcareous slag generated during the operation.
   污水处理厂在运行过程中必须处理大量的石灰石熔渣。