研究结果表明，本区储层砂岩较低渗透率的主要成因是成岩期各种自生矿物的充填和胶结作用。
The results indicate that the forming mechanism of the low permeability in this area is the filling and cementation of autogenetic mineral during diagenesis.
铁桶。密闭防火，阴凉干燥处。保质期：自生产之日起年。
Store is in an airtight and fireproof container at a shady and cool and dry place.
保质期：自生产之日起二十四个月。
保质期：自生产之日起，保质期为十八个月。
Shelf-life: self-production, from the date the shelf-life for 18 months.
自生命期治理指挥部于2004年8月份成立以来这一直就是他们的工作重点。
That was the whole focus when the LCMC concept was formalized in August 2004.
自生命期治理指挥部于2004年8月份成立以来这一直就是他们的工作重点。
That was the whole focus when the LCMC concept was formalized in August 2004.
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