slate bed

 
  • 板岩層

slate bed的用法和樣例:

例句

  1. There's a bed of rock a few feet below the surface.
    地殼以下幾英尺的地方便是岩層。
  2. Exaggerated sections distort the shapes of folds as well as bed thickness.
    比例放大的剖面歪曲褶皺的形態和岩層厚度。
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