Portland cement clinker

例句：

1. 1. The cement clinker is the raw material for making concrete.
   水泥熟料是制造混凝土的原材料。
2. 2.The construction company used the clinker from their own plant to make the bricks.
   这家建筑公司使用自家工厂的熟料来生产砖块。
3. 3. The engineer analyzed the chemical composition of the clinker and found that it was high in calcium oxide.
   工程师分析了熟料的化学成分，发现它含有高浓度的氧化钙。