middle oil

• 中级油,中油

middle oil的用法和样例：

例句

1. The middle Triassic reservoir in south Tahe area is characterized by high porosity and good permeability, but with strong anisotropy and considerable lateral changes.
   摘要塔河南探区三叠系中油组储层孔隙度高，渗透性好，但非均质性强，横向变化剧烈。