煤渣砌块

例句：

1. 1. The construction site was littered with coal clinker blocks.
   施工现场到处都是煤渣砖块。
2. 2. The builders were using coal clinker blocks to reinforce the foundation.
   建筑工人正在使用煤渣砖块加固地基。
3. 3. The new building is made entirely of coal clinker blocks.
   这座新建筑完全由煤渣砖块制成。