Doing so depends on understanding the granular structure of the rock it is trapped in.
要做到这点，人们需要对某些岩石的颗粒结构有所了解，而这些岩石是有石油困于其中的。分。
Straw mulched could improve soil granular structure, and increase the content of water-stable aggregates, so the ability of permeability, fertilizer and water conservation got improved.
秸秆覆盖还田促进土壤团粒结构形成，提高了土壤水稳性团聚体含量，从而改善了土壤通透性和保水保肥性。
The structure characteristics of expended granular sludge bed were introduced.
介绍了膨胀颗粒污泥床的结构工艺特性。
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