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gritstone n.粗(角)砂巖,天然磨石。

gritty

Petrochina group has gradually formed an integrated reach and development system for more than 50 years , and taken the leading in the field of the petroleum science and technology in the world such as geology theory of land , oil and gas and bigger - scale non - equal gritstone oil field development , however , the technology gap is as a whole obvious compared with the overseas bigger - scale oil corporation and technology service corporation ; in addition , the current development & administration system ca n ' t meet the need of the development of the corporation 中油集團經過50多年的發展,形成了完整的研究開發體系,在陸相油氣地質理論、大型非均質砂巖油田開發等多項石油科學技術方面居世界領先水平,但總體技術上與國外大油公司和技術服務公司相比還有很大差距,現有研究開發組織管理體系不能滿足公司發展的需要。

The result shows that a sequence boundary is identified inside member 2 of sangonghe formation of lower jurassic , which is characterized by lithology of scour surface and conglomerate and gravel bearing gritstone over it , and by well logs of abrupt contact 通過巖心、錄井、測井、地震的綜合研究發現,在下侏羅統三工河組二段內部可以識別出一個三級層序界面。

Deep and sub fissures were advantageous fields for ascending and assembling of the ore - forming thermal fluid . in addition , gritstone and mudstone provided the condition for the atmospheric water ' s descending 深大斷裂及次級斷裂是深部成礦熱液上升和匯集的優良場所,周圍砂巖和泥巖又為大氣降水的滲透提供了條件。

The characteristic of shehejie group of tertiary gritstone fan body in wangzhuang area of dongying depession 3段扇三角洲砂礫巖體沉積特征分析

It has strong surface effect , looks like the gritstone after efflorescence ,具強列的表面質感,如同風化過后

Gritstone fetures the same hardness as natural stones , durable , 風砂巖具有天然石材質硬,耐久

Welcome to our website ! ! your positionbonsai gritstone vase 您的位置金馬盆藝砂巖花盆內