细砂岩 meaning in Chinese
fine sand block
packsand
Examples
- The thermal cracking threshold of fine sandstone is determined primarily
实验初步确定了细砂岩的热破裂阈值及其热破裂规律。 - Fracture development and strain field around the stress induced crack area in sandstone
细砂岩裂纹周围变形破坏过程及应变场分布 - The oil - bearing content of oilsand is close to rock lithology , and therefore high oil content occur mainly in fine - grained sandstone and fine - median grained sandstone
油砂含油性与岩性关系密切，含油率较高的油砂岩性主要是细砂岩、中细砂岩。 - The test results show that the drawing interval of 1 . 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal
试验结果表明，放煤步距采用三采一放有利于控制顶板极松散细砂岩，降低放出顶煤的含砂率。 - The dark - gray traction current deposits belong to internal - tide deposits , it develops sandstones and siltsands , and charactered with lenticular , wave , flaser bedding , bimodal cross - bedding and ripple mark
深水牵引流沉积为内潮汐沉积类型，岩性为细砂岩、粉砂岩，以发育透镜状、波状、脉状层理、双向交错层理、波痕等沉积构造为特征。