rock strata

基本解释

• 岩层

英汉例句

双语例句

• And adjustment in rock strata means that loose soil will sink or heave.
  岩层的调整意味着松动了的泥土将会下沉或者鼓起。
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• Thus, jutting peaks of sheer rock with the rock strata going almost vertical occur.
  因此，岩石的峰尖突出，岩层方向几乎是垂直的。
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• We had the best choir in the area and there were also several rock strata visible on the walls which made teaching geology far more interesting.
  洞壁上可以看到好几种岩层，用这个教地理生动有趣。 而且我们不需要生物课本，我们的山洞学校里每天都能看到蝙蝠、蜥蜴。

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词组短语

短语

• covered rock separation strata 覆岩离层
• rock -strata-structure 岩石地层构造和地质事件
• overlying rock strata 上覆岩层
• rock strata movement 岩层移动
• key rock strata 关键层

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专业释义

能源科学技术

• 岩层

  For the coal seam dip angle is larger than 45°,the effect of forces along the plane of rock strata is bigger than the effect of forces perpendicular to the plane,so the strata failure mechanism and strata movement pattern are distinctly different from horizontally or gently inclined coal seam mining.
  由于煤层倾角大于45°,岩层受切向作用力大于法向作用力,急倾斜煤层开采岩层变形破坏机理、岩层移动机制、地表移动规律与水平煤层开采有显著的不同。