外带
Therefore, steady productivity binomial equation can be applied in gas well productivity evaluation in compound formation, in which permeability in outer zone is much higher than inner one.
通过分析证明,稳定产能方法适用于外区渗透性高于内区渗透率的复合地层中气井产能评价,而对于外区渗透性变差的气井,用稳定产能方法很难指导现场气井生产。
Progenitor thymus appeared at 13 DAH and grew quickly. An outer zone and an inner zone in the thymus were observed.
13日龄时,胸腺原基出现,发育速度较快,分为外区和内区。
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