The existence of vast area of tight sand rock, low permeability of sand rock and plenteous gas supply are all favorable conditions for the formation of deep basin gas traps.
大面积致密砂岩的存在、砂岩的低渗透性以及充足的天然气供应都是形成深盆气藏的有利条件。
3
As goals per game have decreased dramatically, overlapping full-backs are necessary to defeat tight AI formations and they only do so with low split mentalities and a reasonably wide formation.