“薄层”造句

薄层状的坚硬的石灰岩山崖正好位于靠盆地一侧.
A thin, resistant limestone escarpment is present just basinward.

泥质物被许多薄层灰岩所隔开.
The mud is interrupted by numerous thin beds of limestone.

局部出现砂质页岩薄层和碳质碎屑.
Thin layers of sandy shale, and carbonaceous fragments are locally present.

• #薄层