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Cretaceous sandstone and Eogene mudstone are the main reservoir and caprock.是什么意思？

Cretaceous sandstone and Eogene mudstone are the main reservoir and caprock.

油气从油气田东部注入,由东向西运移并差异聚集,依次形成凝析气藏、带油环凝析气藏和挥发性油藏.

相关词汇
cretaceous sandstone and Eogene are the main reservoir

cretaceous

--
例句
Analcite mineral was found rock specimen of cretaceous system in the Ordos Basin via using micro - analysis.
通过微观分析,在鄂尔多斯盆地白垩系钻孔岩样中发现方沸石类矿物.

sandstone

n. 砂岩，砂石；
例句
...a sandstone bed.
砂岩层

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

Eogene

（地质）早第三纪，下第三纪；
例句
Cretaceous sandstone and Eogene mudstone are the main reservoir and caprock.
油气从油气田东部注入,由东向西运移并差异聚集,依次形成凝析气藏、带油环凝析气藏和挥发性油藏.

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

main

adj. 主要的，最重要的，全力的；n. 最主要的部分，重点，主要管道，体力，[航海]公海；
例句
The school occupies split-site accommodation on the main campus...
该学院分散在主校区不同地点。

reservoir

n. 蓄水池，贮液器，储藏，蓄积；
例句
This reservoir was formed by damming the River Blith.
这个水库是通过在布莱斯河上筑坝形成的。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
The action slips from comedy to melodrama and finally to tragedy.
剧情从喜剧逐渐发展为情节剧，最后又演变为悲剧。
The earth is one of the planets in the Galaxy.
地球是银河系中的星球之一。
It is uncomfortable to think of our own death, but we need to...
想到人终有一死会感到不舒服，但我们不得不去面对。
We were not in the least worried about the possibility that sweets could rot the teeth...
我们以前完全不担心吃糖果有可能会蛀牙。
Once you hone your communication skills, you'll see results.
一旦您完善了你的沟通技巧, 你会看到结果.
My mother detested him.
我母亲对他很是厌恶。
Valerie earned letters in three sports: volleyball, basketball, and field hockey.
瓦莱丽在排球、篮球和曲棍球三个项目上获得了佩戴校名首字母标志的荣誉。
He suddenly dropped his habitual banter.
他突然不再像往常一样开玩笑。
The gearing of this machine is unusual.
这机器的齿轮装置很特别.
Nina pulls Jamey off decoding the key card to help forensics on the unidentified body.
尼娜将杰米调离解码那张钥匙卡的工作,来帮助法医们确认那具无名尸体的身份.