slate bed
英
美
- 板岩层
双语例句
- There's a bed of rock a few feet below the surface.
地壳以下几英尺的地方便是岩层。 - Exaggerated sections distort the shapes of folds as well as bed thickness.
比例放大的剖面歪曲褶皱的形态和岩层厚度。
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