Characteristics of burial dissolution in the Ordovician limestone of Tahe Oilfield;
塔河油田奥陶系灰岩埋藏溶蚀作用特征
Study and field test of integrated plugging and acidizing technology in fractured limestone reservoir;
裂缝性灰岩油藏堵水酸化联作技术研究与试验
Study on oil/gas-bearing of lacustrine ooide-limestone of Member 1 of Shahejie Formation in Dongxin Oilfield;
东辛油田下第三系沙一段湖相鲕粒灰岩的含油性
Production of large-scale pelagic ship rudder horn is difficult by casting method because of its complex shape,heaver weight,high inside quality requirement.
大型出口远洋货轮挂舵臂铸钢件重量大,形状复杂,内部质量要求高,生产难度大。
Rock, usually limestone, composed of oolites.
岩石岩石，通常指石灰岩，由鲕粒岩组成
sedimentary rocks,eg sandstone,limestone,slate
沉积岩（如砂岩、石灰岩、板岩）.
packed intramicrite
密集内碎屑微晶灰岩
caprinid biosparite
双壳类生物亮晶灰岩
sparry intraclastic calcarenite
亮晶内碎屑砂屑灰岩
sandy algal biosparite
砂质藻屑生物亮晶灰岩
pellet-bioclastic grainstone
球粒生物屑粒状灰岩
There are four principal types of limestones.
石灰岩有四种主要类型。
Robeston Wathen limestone
罗伯斯顿·瓦辛石灰岩
dolomitic biomicrite
白云石质生物微晶灰岩
sandy algal biomicrite
砂质藻屑生物微晶灰岩
magnesian limestone
白云石, 含镁石灰岩
sandy intrasparite
砂质内碎屑亮晶灰岩
sandy intramicrite
砂质内碎屑微晶灰岩
The tuffaceous blanketed the entire basin.
凝灰岩充填着整个盆地。
A light - colored tuff used in hydraulic cement.
粗面凝灰岩一种用来生产硬水泥的淡色凝灰岩
mud-supported biomicrite
灰泥支撑的生物微晶灰岩
taxichnic dolomite
具石灰岩原始结构的白云岩