英德
有道
百度
谷歌
图片
维基
百科
下二叠统
[地质] lower permian series
lower permian system
lower permian system
- 石炭系气藏的直接盖层是下二叠统梁山组泥岩层。
The Liangshang Formation mudstone is the direct cap rock of the Carboniferous gas pools. - 赣西北地区下二叠统王家铺煤组和上二叠统乐平煤组，形成于陆缘海的湖泊沼泽环境。
The Lower Permian Wangjiapu coal measures and the Upper Permian Leping coal measures in Northwest Jiangxi were formed in lacustrine environment in the epicontinental sea area. - 这一发现，不但对研究上扬子地台内部茅口组沉积相增添了新内容，而且对四川盆地下二叠统天然气勘探具有重要的意义。
This finding not only increases new subject to research sedimentary facies in Upper Yangzi Platform, but also has important significance for gas exploration in Lower Permian in Sichuan basin.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
