“旋回层”造句

砂岩复合体发育于退覆沉积层的旋回层内.
The complex of sand bodies developed in a cyclical sequence of off - lapping sedimentary beds.

米级旋回层序之顶覆以厚度不等的?
These cyclic sequences are overlain by the lagoon dolomitic mudstones and shales.

• #旋回层