Huainan coal area

• 淮南矿区

Huainan coal area的用法和样例：

例句

1. There is a layer of Kaolin mudrock at the bottom of Shihezi formation in Liyi Mine of Huainan Coal Mining Administration, which is stably distributed and has distinct features.
   位于淮南矿区石盒子组底部的高岭石泥岩分布稳定，特征明显。