porosity structure的用法和样例：
例句
- Finally, it explores the modern sustaining mechanism of spatial porous structure of traditional townships.
最后，探讨传统小城镇空间孔隙结构的现代延续机制。 - The reservoir bitumen was formed and precipitated in the porosity of the reservoir rock from the oil by thermal cracking, weathering and deasphalting.
储层沥青对储层的储集性能有重要影响，它可以大大降低储层的孔隙度和渗透率，改变储层的孔隙结构，甚至可以完全堵塞孔隙，形成圈闭的遮挡层。
